@book {2952,
	title = {Land Degradation and Soil Conservation Issues on the Canadian Prairies: An Overview},
	year = {1982},
	month = {1982},
	publisher = {Soil and Water Conservation Branch, PFRA},
	organization = {Soil and Water Conservation Branch, PFRA},
	address = {Regina},
	author = {Prairie Farm Rehabilitation Administration}
}
@article {2897,
	title = {Field agriculture in the Canadian prairie west 1870-1940 with emphasis on the period 1870-1920},
	year = {1977},
	month = {1977},
	institution = {Government of Canada},
	address = {Ottawa},
	author = {Canada. Dept. of Indian Affairs and Northern Development. National Historic Parks and Sites Branch}
}
@booklet {2893,
	title = {Snow utilization in prairie agriculture},
	year = {1940},
	month = {1940},
	publisher = {Canada Department of Agriculture},
	author = {of Agriculture, Canada. Dept.}
}
@book {3020,
	title = {An Opportunity Lost: The Truman Administration and the Farm Policy Debate},
	year = {2006},
	month = {2006.},
	publisher = {University of Missouri Press},
	organization = {University of Missouri Press},
	address = {Columbia},
	author = {Ahlberg, Kristin}
}
@article {2972,
	title = {The Formation of the Experimental Farms},
	journal = {Prairie Forum},
	volume = {Vol. 11},
	year = {1986},
	month = {1986},
	pages = {pp. 185-194.},
	author = {Ansley, T. H.}
}
@book {3016,
	title = {Harvest of Grief: Grasshopper Plagues and Public Assistance in Minnesota, 1873-78.},
	year = {1984},
	month = {1984},
	publisher = {Minnesota Historical Society Press},
	organization = {Minnesota Historical Society Press},
	address = {St. Paul},
	author = {Atkins, Annette}
}
@book {3025,
	title = {Locust: The Devastating Rise and Mysterious Dissapearance of the Insect that Shaped the American Frontier},
	year = {2004},
	month = {2004.},
	publisher = {Basic Books},
	organization = {Basic Books},
	address = {New York},
	author = {Baake, Ken}
}
@article {3006,
	title = {Farm Consolidation in the Northern and Central States of the Great Plains},
	journal = {Great Plains Quarterly},
	volume = {Vol. 7},
	year = {1987},
	month = {1987},
	pages = {pp. 256-265.},
	author = {Baltensperger, Bradley H.}
}
@article {2975,
	title = {What they Saw: The Climatic and Environmental Context for Euro-Canadian Settlement in Alberta},
	journal = {Prairie Forum},
	volume = {Vol. 24},
	year = {1999},
	month = {1999},
	pages = {pp. 1-40.},
	author = {Alwynne Beaudoin}
}
@article {2930,
	title = {Land use history at multiple scales: implications for conservation planning},
	journal = {Landscape and Urban Planning},
	volume = {Vol. 43},
	year = {1998},
	month = {1998},
	pages = {pp. 49-63.},
	author = {Black, Anne and et al}
}
@article {2934,
	title = {Crop Rotation and Tillage Effects on Weed Populations on the Semi-Arid Canadian Prairies},
	journal = {Weed Technology},
	volume = {Vol. 8},
	year = {1994},
	month = {1994},
	pages = {pp. 231-237.},
	author = {Blackshaw, Robert and et al}
}
@inbook {2876,
	title = {Untitled},
	booktitle = {The Canadian Economy and Its Problems},
	year = {1934},
	note = {Author Role: Editors},
	month = {1934},
	publisher = {Canadian Institute of International Affairs},
	organization = {Canadian Institute of International Affairs},
	address = {Toronto},
	author = {Bladen, V. W.},
	editor = {Harold Innis and A. F. W. Plumtree}
}
@article {2976,
	title = {A History of the Winnipeg Grain Research Laboratory of the Canadian Grain Commission, 1913 to 1979},
	journal = {Prairie Forum},
	volume = {Vol. 11},
	year = {1986},
	month = {1986},
	pages = {pp. 215-228.},
	author = {Blanchard, J.}
}
@article {2991,
	title = {Restoring the Pre-Settlement Landscape in Stanley County, South Dakota},
	journal = {Great Plains Research},
	volume = {Vol. 7},
	year = {1997},
	month = {1997},
	pages = {pp. 27-40.},
	author = {Boettcher, Susan E. and Johnson W. Carter}
}
@article {2942,
	title = {Farming in the Prairie Peninsula, 1830-1890},
	journal = {The Journal of Economic History},
	volume = {Vol. 23},
	year = {1963},
	month = {1963},
	pages = {pp. 3-29.},
	author = {Bogue, Allan}
}
@article {2977,
	title = {Changing Farm Size Distribution on the Prairies Over the Past One Hundred Years},
	journal = {Prairie Forum},
	volume = {vol. 13},
	year = {1988},
	month = {1988},
	pages = {pp. 43-66.},
	author = {Bollman, Ray D. and Phillip Ehrensaft}
}
@article {2916,
	title = {Effects of Land Use on the Climate of the United States.},
	journal = {Climatic Change},
	volume = {Vol. 37},
	year = {1997},
	month = {1997/11},
	pages = {pp. 449-486},
	author = {Bonan, Gordon}
}
@article {2926,
	title = {Landscape structure and change in a hardwood forest- tall-grass prairie ecotone},
	journal = {Journal of Range Management},
	volume = {Vol. 50},
	year = {1997},
	month = {1997/05},
	pages = {pp. 244-249.},
	author = {Boren, Jon C. and et al}
}
@article {2985,
	title = {{\textquoteright}Forward to a Farm{\textquoteright}: Land Settlement as Unemployment Relief in the 1930s},
	journal = {Prairie Forum},
	volume = {Vol. 20},
	year = {1995},
	month = {1995},
	pages = {pp. 207-230.},
	author = {Bowen, Dawn}
}
@article {2944,
	title = {Plus c{\textquoteright}est la meme chose? Questioning crop diversification as a response to agricultural deregulation in Saskatchewan, Canada},
	journal = {Journal of Rural Studies},
	volume = {Vol. 20},
	year = {2004},
	month = {2004},
	pages = {pp. 35-48.},
	author = {Bradshaw, Ben}
}
@article {2911,
	title = {Farm-Level Adaptation to Climatic Variability and Change: Crop Diversification in the Canadian Prairies},
	journal = {Climatic Change},
	volume = {Vol. 67},
	year = {2004},
	month = {2004/11},
	pages = {pp. 119-141.},
	author = {Bradshaw, Ben Holly Dolan and Barry Smith}
}
@book {3033,
	title = {The Other Side of Eden: Hunters, Farmers, and the Shaping of the World},
	year = {2000},
	month = {2000.},
	publisher = {Douglas and McIntyre},
	organization = {Douglas and McIntyre},
	address = {Vancouver},
	author = {Brody, Hugh}
}
@article {3008,
	title = {The Emergence of the American Agriculture Movement, 1977-1979},
	journal = {Great Plains Quarterly},
	volume = {Vol. 5},
	year = {1985},
	month = {1985},
	pages = {pp. 221-235.},
	author = {Browne, William P. and John Dinse}
}
@article {2933,
	title = {Crop rotation studies on the Canadian prairies. Publication 1841/E},
	year = {1990},
	note = {Author Affiliation: Government of Canada},
	month = {1990},
	institution = {Government of Canada},
	address = {Ottawa},
	author = {Campbell, C. A. R. P. Zentner H. H. Janzen and K. E. Bowren}
}
@article {2888,
	title = {Cropping Patterns in the Canadian Prairies: Thrity Years of Change},
	journal = {Geographical Journal},
	volume = {168},
	year = {2002},
	month = {2002},
	pages = {97-115},
	author = {Carlyle, W. J.}
}
@article {2969,
	title = {The Changing Family Farm on the Prairies},
	journal = {Prairie Forum},
	volume = {Vol. 8},
	year = {1983},
	month = {1983},
	pages = {pp. 1-24.},
	author = {Carlyle, William J.}
}
@article {2946,
	title = {The Decline of Summerfallow on the Canadian Prairies},
	journal = {The Canadian Geographer},
	volume = {Vol. 41},
	year = {1997},
	month = {1997},
	pages = {pp. 267-280.},
	author = {Carlyle, W. J.}
}
@article {2963,
	title = {Government Acquisition of Land in Manitoba, 1966 to 1976},
	journal = {Prairie Forum},
	volume = {Vol. 4},
	year = {1979},
	month = {1979},
	pages = {pp. 55-82.},
	author = {Carlyle, W. J.}
}
@article {2889,
	title = {The Rise of Specialty Crops in Saskatchewan, 1981-2001},
	journal = {Canadian Geographer},
	volume = {Vol. 48},
	year = {2004},
	month = {2004},
	pages = {pp. 137-51},
	author = {Carlyle, W. J.}
}
@book {2896,
	title = {Prairie perspectives : papers of the Western Canadian Studies Conference},
	note = {Notes: Introduction / by D. Gagan -- The Western Canadian mystique / by G. F. G. Stanley -- Liberals and Conservatives on the Prairies, 1917-1968 / by D. Smith -- The roots of Prairie society / by J. E. Rea -- Prairie agriculture: a prognosis / by J. Stahl -- The impending identity crisis among native peoples / by H. Zenter -- Conclusion, by D. Smith},
	month = {c1970},
	publisher = {prepared by the Department of History, University of Calgary. Holt, Rinehart and Winston},
	organization = {prepared by the Department of History, University of Calgary. Holt, Rinehart and Winston},
	address = {Toronto},
	author = {Western Canadian Studies Conference}
}
@article {2997,
	title = {Managing the Farm, Educating the Farmer: {\textquoteright}O Pioneers!{\textquoteright} And the New Agriculture},
	journal = {Great Plains Quarterly},
	volume = {Vol. 21},
	year = {2001},
	month = {2001},
	pages = {pp. 3-15.},
	author = {Conlogue, William}
}
@article {2970,
	title = {The Decline of the Family Farm in Saskatchewan},
	journal = {Prairie Forum},
	volume = {Vol. 9},
	year = {1984},
	month = {1984},
	pages = {pp. 101-118.},
	author = {Conway, J. F.}
}
@article {2900,
	title = {Natural Revegetation of Abandoned Plowed Land in the Mixed Prairie Association of Northeastern Colorado},
	journal = {Ecology},
	volume = {Vol. 25},
	year = {1944},
	month = {1944/07},
	pages = {pp. 312-326},
	author = {Costello, David F.}
}
@article {2996,
	title = {The New Deal{\textquoteright}s Land Utilization Program in the Great Plains},
	journal = {Great Plains Quarterly},
	volume = {Vol. 21},
	year = {2001},
	month = {2001},
	pages = {pp. 193-210.},
	author = {Cunfer, Geoff}
}
@book {2887,
	title = {On the Great Plains: Agriculture and Environment},
	year = {2005},
	month = {2005},
	publisher = {Texas A\&M University Press},
	organization = {Texas A\&M University Press},
	address = {College Station},
	author = {Cunfer, Geoff}
}
@book {2908,
	title = {Applying Ecological Principals to Land Management},
	year = {2001},
	month = {2001},
	publisher = {Springer},
	organization = {Springer},
	author = {Dale, Virginia H. and Richard Haeubera}
}
@book {2895,
	title = {Hired hands : labour and the development of prairie agriculture, 1880-1930},
	year = {1995},
	month = {1995},
	publisher = {McClelland \& Stewart},
	organization = {McClelland \& Stewart},
	address = {Toronto},
	author = {Danysk, Cecilia}
}
@article {2986,
	title = {Mapping Agricultural Land Cover for Hydrologic Modeling in the Platte River Watershed of Nebraska},
	journal = {Great Plains Research},
	volume = {Vol. 18},
	year = {2008},
	month = {2008},
	pages = {pp. 39-52.},
	author = {Dappen, Patti R. and et al}
}
@article {2992,
	title = {Farmsteads as Mirrors of Cultural Adjustment and Change: The Ukrainian Canadian Experience},
	journal = {Great Plains Research},
	volume = {Vol. 7},
	year = {1997},
	month = {1997},
	pages = {pp. 71-101.},
	author = {Darlington, James W.}
}
@article {3038,
	title = {Impact of  Changing Land Use on Industrial and Retail Activities on the Texas High Plains},
	journal = {Social Science Journal},
	volume = {vol. 18},
	year = {1981},
	month = {1981},
	pages = {pp. 93-105.},
	author = {Davidson, Claud M.}
}
@article {3000,
	title = {The Farm Policy Debate of 1949-50: Plains State Reaction to the Brannan Plan},
	journal = {Great Plains Quarterly},
	volume = {Vol. 13},
	year = {1993},
	note = {Language: 33-46.},
	month = {1993},
	pages = {pp.},
	author = {Dean, Virgil}
}
@article {2917,
	title = {Land-Use Choices: Balancing Human Needs and Ecosystem Function},
	journal = {Frontiers in Ecology and the Environment},
	volume = {Vol. 2},
	year = {2004},
	month = {2004},
	pages = {pp. 249-257.},
	author = {DeFries, Ruth Jonathan Foley and Gregory Asner}
}
@article {2937,
	title = {Weed Dynamics and Management Strategies for Cropping Systems in the Northern Great Plains},
	journal = {Agronomy Journal},
	volume = {Vol. 94},
	year = {2002},
	month = {2002},
	pages = {pp. 174-185.},
	author = {Derksen, Doug and et al}
}
@book {3014,
	title = {Southwestern Agriculture: Pre-Columbian to Modern},
	year = {1982},
	month = {1982.},
	publisher = {Texas A\&M University Press},
	organization = {Texas A\&M University Press},
	address = {College Station},
	author = {Dethloff, Henry C. and Irvin May Jr. eds.}
}
@book {2912,
	title = {Land Use in America},
	year = {1996},
	month = {1996},
	publisher = {Island Press},
	organization = {Island Press},
	author = {Diamond, Henry and Patrick Noonan}
}
@article {2967,
	title = {A Reply to Professor Spry{\textquoteright}s Critique {\textquoteright}The Cost of Making a Farm on the Prairies{\textquoteright}},
	journal = {Prairie Forum},
	volume = {Vol. 7},
	year = {1982},
	month = {1982},
	pages = {pp. 101-102.},
	author = {Dick, Lyle}
}
@article {2965,
	title = {Estimates of Farm Making Costs in Saskatchewan, 1882-1914},
	journal = {Prairie Forum},
	volume = {Vol. 6},
	year = {1981},
	month = {1981},
	pages = {pp. 183-202.},
	author = {Dick, Lyle}
}
@article {2987,
	title = {Regional Dynamics of Grassland Change in the Western Great Plains},
	journal = {Great Plains Research},
	volume = {Vol. 17},
	year = {2007},
	month = {2007},
	pages = {pp. 133-144.},
	author = {Drummond, Mark}
}
@article {2947,
	title = {Changes in the Canadian wheat belt, 1931-1969},
	journal = {Geography},
	volume = {Vol. 55},
	year = {1970},
	month = {1970},
	pages = {pp. 156-168.},
	author = {Dunlop, J. S.}
}
@article {2982,
	title = {Adapting to the Frontier Environment: Mixed and Dryland Farming near Pincher Creek, 1895-1914},
	journal = {Prairie Forum},
	volume = {Vol. 19},
	year = {1994},
	month = {1994},
	pages = {pp. 31-50.},
	author = {Elofsen, Warren}
}
@article {2956,
	title = {From the Dust Bowl to the Green Glacier: Human Activity and Environmental Change in Great Plains Grasslands},
	journal = {Ecological Studies},
	volume = {Vol. 196},
	year = {2008},
	note = {Language: 253-271.},
	month = {2008},
	pages = {pp.},
	author = {Engle, David M Bryan Coppedge and Samuel Fuhlendorf}
}
@article {2931,
	title = {Rotational benefits of forage crops in Canadian prairie cropping systems},
	journal = {Journal of Production Agriculture},
	volume = {Vol. 8},
	year = {1995},
	month = {1995},
	pages = {pp. 521-529},
	author = {Entz, M. H. W. J. Bullied F. Katapa-Mupondwa}
}
@book {3035,
	title = {Bound in Twine: The History and Ecology of the Henequen-Wheat Complex for Mexico and the American and Canadian Plains, 1880-1950},
	year = {2007},
	month = {2007.},
	publisher = {Texas A\&M University Press},
	organization = {Texas A\&M University Press},
	address = {College Station},
	author = {Evans, Sterling}
}
@book {2898,
	title = {PFRA : Prairie Farm Rehabilitation Administration : serving agriculture in the three prairie provinces},
	month = {c1969},
	author = {Canada. Dept. of Regional Economic Expansion}
}
@article {3011,
	title = {Agricultural Pioneering in Dakota: A Case Study},
	journal = {Great Plains Quarterly},
	volume = {vol. 1},
	year = {1981},
	month = {1981},
	pages = {pp. 169-180.},
	author = {Fite, Gilbert C.}
}
@article {2904,
	title = {The Importance of Land-Use Legacies to Ecology and Conservation},
	journal = {Bioscience},
	volume = {Vol. 53},
	year = {2003},
	month = {2003/01},
	pages = {pp. 77-88},
	author = {Foster, David Frederick Swanson John Aber Ingrid Burke Nicholas Brokaw David Tilman and Alan Knapp.}
}
@book {2882,
	title = {The National Policy and the Wheat Economy},
	year = {1957},
	month = {1957},
	address = {Toronto},
	author = {Fowke, Vernon C.}
}
@book {2877,
	title = {Canadian Agricultural Policy},
	year = {1946},
	month = {1946},
	publisher = {University of Toronto Press},
	organization = {University of Toronto Press},
	address = {Toronto},
	author = {Fowke, V. C.}
}
@book {2880,
	title = {The Canadian Prairies: A History},
	year = {1984},
	month = {1984},
	publisher = {University of Toronto},
	organization = {University of Toronto},
	address = {Toronto},
	author = {Friesen, Gerald}
}
@booklet {2890,
	title = {Canadian agricultural policy and Prairie agriculture},
	year = {1989},
	month = {1989},
	publisher = {Economic Council of Canada},
	address = {Ottawa},
	author = {Fulton, Murray Ken Rosaasen and Andrew Schmitz}
}
@article {2901,
	title = {The Vegetation of Wet Meadows in Relation to Their Land-use},
	journal = {Environmental Monitoring and Assessment},
	volume = {Vol. 60},
	year = {2000},
	month = {2000/01},
	pages = {pp. 121-144},
	author = {Galatowitsch, Susan M. Diane C. Whited Richard Lehtinen Jason Husveth and Karen Schik}
}
@article {2932,
	title = {Effects of Distance on Cropping Patterns Internal to the Farm},
	journal = {Annals of the Association of American Geographers},
	volume = {Vol. 72},
	year = {1982},
	month = {1982},
	pages = {pp. 88-98.},
	author = {de Garis De Lisle, David}
}
@book {3018,
	title = {Agricultural Distress in the Midwest, Past and Present},
	year = {1987},
	month = {1987.},
	publisher = {Center for the Study of Recent History of the US},
	organization = {Center for the Study of Recent History of the US},
	address = {Iowa City, Iowa},
	author = {Gelfand, Lawrence and Robert Neymeyer eds.}
}
@article {2979,
	title = {Capitalization and Internal Differentiation Within Manitoba Family Farm Enterprises},
	journal = {Prairie Forum},
	volume = {Vol. 14},
	year = {1989},
	month = {1989},
	pages = {pp. 163-176.},
	author = {Ghorayshi, Parvin}
}
@article {2903,
	title = {Sedimentation of Prairie Wetlands},
	journal = {Great Plains Research},
	volume = {Vol. 8},
	year = {1998},
	month = {1998/Spring},
	pages = {pp. 97-112},
	author = {Gleason, Robert A. and Ned H. Euliss Jr.}
}
@article {3010,
	title = {Mapping Kansas and Nebraska: The Role of the General Land Office},
	journal = {Great Plains Quarterly},
	volume = {Vol. 5},
	year = {1985},
	month = {1985},
	pages = {pp. 177-197.},
	author = {Grim, Ronald}
}
@article {2902,
	title = {Denitrification in a Tallgrass Prairie Landscape},
	journal = {Ecology},
	volume = {Vol 74},
	year = {1993},
	month = {1993/04},
	pages = {pp. 855-862.},
	author = {Groffman, Peter M. Charles W. Rice and James M. Tiedje}
}
@article {2998,
	title = {Giants on the Plains: Grain Elevators and the Making of Enid, Oklahoma},
	journal = {Great Plains Quarterly},
	volume = {Vol. 18},
	year = {1998},
	month = {1998},
	pages = {pp. 305-325.},
	author = {Gumprecht, Blake}
}
@book {2914,
	title = {Protection of global biodiversity: converging strategies},
	year = {1998},
	month = {1998},
	publisher = {Duke University Press},
	organization = {Duke University Press},
	author = {Guruswamy, Lakshman D. and Jeffrey A. McNeely}
}
@book {2948,
	title = {The Alberta Conservation Tillage Surverys: A Comparative Analysis of Selected Issues},
	year = {1992},
	month = {1992},
	publisher = {Department of Rural Economy, University of Alberta},
	organization = {Department of Rural Economy, University of Alberta},
	address = {Edmonton},
	author = {Haich, R. J. and C. M. Haigh}
}
@article {2964,
	title = {The Manitoba Grain Act: An {\textquoteright}Agrarian Magna Charta{\textquoteright}?},
	journal = {Prairie Forum},
	volume = {Vol. 4},
	year = {1979},
	month = {1979},
	pages = {pp. 105-120.},
	author = {Hall, D. J.}
}
@book {3034,
	title = {Crops and Man},
	year = {1975},
	month = {1975.},
	publisher = {American Society of Agronomy, Inc. and the Crop Society of America Inc.},
	organization = {American Society of Agronomy, Inc. and the Crop Society of America Inc.},
	author = {Harlan, Jack}
}
@article {2949,
	title = {Land and agriculture in the Canadian Prairies},
	journal = {Manitoba Nature},
	volume = {Vol. 19},
	year = {1978},
	month = {1978},
	pages = {pp. 16-25.},
	author = {Hedlin, R. A.}
}
@article {2950,
	title = {Agriculture on the Canadian Prairies: Retrospect and Prospect},
	journal = {Canadian Journal of Soil Science},
	volume = {Vol. 75},
	year = {1995},
	month = {1995},
	pages = {pp. 253-259.},
	author = {Hedlin, R. A.}
}
@book {3031,
	title = {Agriculture, Climate and Population of the Prairie Provinces of Canada: A Statistical Analysis showing past Development and Present Conditions},
	year = {1931},
	month = {1931.},
	publisher = {Dominion Bureau of Statistics},
	organization = {Dominion Bureau of Statistics},
	address = {Ottawa},
	author = {Hurd, W. B. and T. W. Grindley}
}
@article {3037,
	title = {The Great Plains: Agriculture and the Environment in the Late Twentieth Century},
	journal = {Agricultural History},
	volume = {Vol. 75},
	year = {2001},
	month = {2001},
	pages = {pp. 394-405.},
	author = {Hurt, R. Douglas}
}
@book {3015,
	title = {American Farm Tools: From Hand-Power to Steam-Power},
	year = {1982},
	month = {1982.},
	publisher = {Sunflower University Press},
	organization = {Sunflower University Press},
	address = {Manhattan, Kansas},
	author = {Hurt, Douglas}
}
@article {3005,
	title = {Federal Land Reclamation in the Dust Bowl},
	journal = {Great Plains Quarterly},
	volume = {Vol. 6},
	year = {1986},
	month = {1986},
	pages = {pp. 94-106.},
	author = {Hurt, R. Douglas}
}
@inbook {2876,
	title = {Untitled},
	booktitle = {The Canadian Economy and Its Problems},
	year = {1934},
	note = {Author Role: Editors},
	month = {1934},
	publisher = {Canadian Institute of International Affairs},
	organization = {Canadian Institute of International Affairs},
	address = {Toronto},
	author = {Bladen, V. W.},
	editor = {Harold Innis and A. F. W. Plumtree}
}
@article {2961,
	title = {Agriculture and River Lot Settlement in Western Canada: The Case of Pakan (Victoria), Alberta},
	journal = {Prairie Forum},
	volume = {Vol. 1},
	year = {1976},
	month = {1976},
	pages = {pp. 3-18.},
	author = {Ironside, R. G. and E. Tomasky}
}
@book {3012,
	title = {Custom Combining on the Great Plains: A History},
	year = {1982},
	month = {1982.},
	publisher = {University of Oklahoma Press},
	organization = {University of Oklahoma Press},
	address = {Norman},
	author = {Isern, Thomas}
}
@article {2919,
	title = {Land-Use changes in Illinois, USA: The influence of landscape attributes on current and historic land use},
	journal = {Landscape Ecology},
	volume = {Vol. 2},
	year = {1988},
	month = {1988/11},
	pages = {pp. 45-61.},
	author = {Iverson, Louis R.}
}
@book {3022,
	title = {Black Earth and Ivory Tower: New American Essays from Farm and Classroom},
	year = {2005},
	month = {2005.},
	publisher = {University of South Carolina Press},
	organization = {University of South Carolina Press},
	address = {Columbia},
	author = {Jack, Zachary Michael ed.}
}
@article {2929,
	title = {The necessary marriage between ecology and agriculture},
	journal = {Ecology},
	volume = {Vol. 70},
	year = {1989},
	month = {1989},
	pages = {pp. 1591-1593.},
	author = {Jackson, Wes and Jon Piper}
}
@article {2927,
	title = {Natural Systems Agriculture: a truly radical alternative},
	journal = {Agriculture, Ecosystems and Environment},
	volume = {Vol. 88},
	year = {2002},
	month = {2002/02},
	pages = {pp. 111-117.},
	author = {Jackson, Wes.}
}
@article {2990,
	title = {Response of Riparian Vegetation to Streamflow Regulation and Land Use in the Great Plains},
	journal = {Great Plains Research},
	volume = {Vol. 9},
	year = {1999},
	month = {1999},
	pages = {pp. 357-369.},
	author = {Johnson, W. Carter}
}
@book {2957,
	title = {Conservation of Great Plains ecosystems: current science, future opinions},
	year = {1995},
	month = {1995},
	publisher = {Springer},
	organization = {Springer},
	author = {Johnson, Stanley R. and Aziz Bouzaher}
}
@book {2878,
	title = {"We{\textquoteright}ll All Be Buried Down Here" The Prairie Dryland Disaster 1917-1926},
	year = {1986},
	month = {1986},
	publisher = {Alberta Records Publication Board},
	organization = {Alberta Records Publication Board},
	address = {Calgary},
	author = {Jones, David C.}
}
@book {2879,
	title = {Empire of Dust: Settling and Abandoning the Prairie Dry Belt},
	year = {1987},
	month = {1987},
	publisher = {University of Alberta Press},
	organization = {University of Alberta Press},
	address = {Edmonton},
	author = {Jones, David C.}
}
@article {2910,
	title = {Induced Innovation in Canadian Agriculture: 1926},
	journal = {Canadian Journal of Agricultural Economics/Revue canadienne d{\textquoteright}agroeconomie},
	volume = {Vol. 38},
	year = {2008},
	month = {2008/11},
	pages = {pp. 1-21.},
	author = {Karagiannis, Giannis and W. Hartley Furtan}
}
@article {2980,
	title = {The Changing Varietal Composition of Prairie Wheat Production, 1941-1958},
	journal = {Prairie Forum},
	volume = {Vol. 15},
	year = {1990},
	month = {1990},
	pages = {pp. 103-122.},
	author = {Keddie, Phillip D.}
}
@article {2907,
	title = {Soil Microbial Diversity and the Sustainablility of Agricultural Soils},
	journal = {Plant and Soil},
	volume = {Vol. 170},
	year = {1995},
	month = {1995/03},
	pages = {pp. 75-86.},
	author = {Kennedy, A. C. and A. L. Smith}
}
@article {2906,
	title = {Land use and cover with intensity of agriculture for Canada from satellite and census data},
	journal = {Global Ecology and Biogeography},
	volume = {Vol. 12},
	year = {2003},
	month = {2003/03},
	pages = {pp. 161-172.},
	author = {Kerr, Jeremy T. and Josef Cihlar}
}
@book {3042,
	title = {The Culture of Wilderness: Agriculture as Colonization in the American West},
	year = {1996},
	month = {1996.},
	publisher = {University of North Carolina Press},
	organization = {University of North Carolina Press},
	address = {Chapel Hill},
	author = {Knobloch, Frieda}
}
@article {2945,
	title = {Competitive effects of shrubs and grasses in prairie},
	journal = {Oikos},
	volume = {Vol. 91},
	year = {2000},
	month = {2000},
	pages = {pp. 385-395.},
	author = {Kochy, Martin and Scott Wilson}
}
@article {2915,
	title = {The Causes of Land-Use and Land-Cover Change: moving beyond the myths},
	journal = {Global Environmental Change},
	volume = {Vol. 11},
	year = {2001},
	month = {2001/12},
	pages = {pp. 261-269.},
	author = {Lambin, Eric and et al}
}
@article {2899,
	title = {Are agricultural land-use models able to predict changes in land-use intensity?},
	journal = {Agriculture, Ecosystems and Environment},
	volume = {Vol. 82},
	year = {2000},
	month = {2000/12},
	pages = {pp. 321-331},
	author = {Lambin, E. F. M. D. A. Rounsevell and H. J. Geist.}
}
@article {2999,
	title = {The Corporate Farming Debate in the Post-World War II Midwest},
	journal = {Great Plains Quarterly},
	volume = {Vol. 18},
	year = {1998},
	month = {1998},
	pages = {pp. 139-153.},
	author = {Lauck, Jon}
}
@book {2951,
	title = {A Geographical Analysis and Classification of Canadian Prairie Agriculture. Manitoba Geographical Studies 2},
	year = {1974},
	month = {1974},
	publisher = {Department of Geography, University of Manitoba},
	organization = {Department of Geography, University of Manitoba},
	address = {Winnipeg},
	author = {Laut, P.}
}
@booklet {2891,
	title = {A geographic analysis and classification of Canadian prairie agriculture},
	year = {1974},
	month = {1974},
	publisher = {Dept. of Geography, University of Manitoba},
	address = {Winnipeg},
	author = {Laut, Peter}
}
@article {2994,
	title = {Quantifying the Effect of Technology and Management on Wheat Yields in the Western Great Plains},
	journal = {Great Plains Research},
	volume = {Vol. 4},
	year = {1994},
	month = {1994},
	pages = {pp. 133-146.},
	author = {Law-Evans, Elizabeth and Paul A. Kay}
}
@article {2923,
	title = {Ecological Determinants of Species Loss in Remnant Prairies},
	journal = {Science},
	volume = {Vol. 273,},
	year = {1996},
	month = {1996/09},
	pages = {pp. 1555-1558.},
	author = {Leach, Mark and Thomas Givnish}
}
@book {3021,
	title = {Farmers vs. Wage Earners: Organizaed Labour in Kansas, 1860-1960},
	year = {2005},
	month = {2005.},
	publisher = {University of Nebraska Press},
	organization = {University of Nebraska Press},
	address = {Lincoln},
	author = {Lee, R. Alton}
}
@article {3036,
	title = {Failed Land Reform: The Politics of the 1981 National Agricultural Lands Study},
	journal = {Environmental History Review},
	volume = {Vol. 14},
	year = {1990},
	month = {1990},
	pages = {pp. 129-149.},
	author = {Lehman, Tim}
}
@article {2988,
	title = {Land Use and Transfer Plans in the US Great Plains},
	journal = {Great Plains Research},
	volume = {Vol. 16},
	year = {2006},
	month = {2006},
	pages = {pp. 181-193.},
	author = {Leonard, Susak Hautaniemi and Myron Gutmann}
}
@article {2984,
	title = {Is Soil Erosion a Problem on the Canadian Prairies?},
	journal = {Prairie Forum},
	volume = {Vol. 20},
	year = {1995},
	month = {1995},
	pages = {pp. 107-122.},
	author = {Lerohl, M. L. and G. C. Van Kooten}
}
@book {2925,
	title = {Habitat Fragmentation and Landscape Change: an ecological and conservation sythnesis},
	year = {2006},
	month = {2006},
	publisher = {Island Press},
	organization = {Island Press},
	author = {Lindenmeyer, David and Joern Fisher}
}
@book {2913,
	title = {Integrating Landscape Ecology into Natural Resource Management},
	year = {2002},
	month = {2002},
	publisher = {Cambridge University Press},
	organization = {Cambridge University Press},
	author = {Liu, Jianguo and William Taylor}
}
@book {3040,
	title = {Crop Ecology: Productivity and Management in Agricultural Systems},
	year = {1992},
	month = {1992.},
	publisher = {Cambridge University Press},
	organization = {Cambridge University Press},
	author = {Loomis, R. S. and D. J. Connor}
}
@article {2905,
	title = {Acclimatization of soil respiration to warming in a tall grass prairie},
	journal = {Nature},
	volume = {Vol. 413},
	year = {2001},
	month = {2001/10/11},
	pages = {pp. 622-625},
	author = {Luo, Yiqi Shiqiang Wan Dafeng Hui and Linda L. Wallace}
}
@article {2886,
	title = {The Business of Agriculture: Prairie Farmers and the Adoption of {\textquoteright}Business Methods,{\textquoteright} 1880-1950},
	journal = {Canadina Papers in Business History},
	volume = {I},
	year = {1986},
	month = {1986},
	author = {MacPherson, Ian and John Herd Thompson}
}
@article {2894,
	title = {Prairie agriculture [microform] : containing a list of chemical experiments; a series of experiments on the growth of seeds; a description of how plants grow; a sketch of the formation of the prairie soil by water and ice action; an account of farming ope},
	year = {1890},
	note = {Author, Subsidiary: CIHM/ICMH microfiche series ; no. 30611Notes: Original issued in series: Manitoba course of agriculture. Second series	Filmed from a copy of the original publication held by the University of Saskatchewan, Saskatoon. Ottawa : Canadian Institute for Historical Microreproductions, 1984. 3 microfiches (139 fr.)},
	month = {1890?},
	institution = {Consolidated Stationery Co.},
	address = {Winnipeg},
	editor = {Authorized by the Advisory Board of Manitoba.}
}
@article {2978,
	title = {Soil Conservation: The Barriers to Comprehensive National Response},
	journal = {Prairie Forum},
	volume = {Vol. 13},
	year = {1988},
	month = {1988},
	pages = {pp. 99-122.},
	author = {Manning, Edward W.}
}
@article {3002,
	title = {Continuity and Change on the Twentieth-Century Farm: The Gists of South Dakota, 1921-71},
	journal = {Great Plains Quarterly},
	volume = {Vol. 11},
	year = {1991},
	month = {1991},
	pages = {pp. 37-52.},
	author = {Marten, James}
}
@book {2885,
	title = {{\textquoteright}Dominion Lands{\textquoteright} Policy},
	year = {1938},
	month = {1938},
	publisher = {Canadian Frontiers of Settlement. Macmillan Company of Canada.},
	organization = {Canadian Frontiers of Settlement. Macmillan Company of Canada.},
	author = {Martin, Chester}
}
@article {3030,
	title = {The Grain Handling and Transportation Commission},
	journal = {Canadian Public Policy},
	volume = {Vol. 4},
	year = {1978},
	month = {1978},
	pages = {pp. 235-245.},
	author = {Mason, Greg}
}
@book {2941,
	title = {Cereal-legume cropping system. Nine farm case studies in the dryland northern plains, Canadian prairies, and intermountain northwest},
	year = {1991},
	month = {1991},
	publisher = {Alternative Energy Resources},
	organization = {Alternative Energy Resources},
	address = {Helena, MT},
	author = {Matheson, Nancy and et al}
}
@article {2920,
	title = {The impact of agricultural practices on biodiversity},
	journal = {Agriculture, Ecosystems and Environment},
	volume = {Vol. 55},
	year = {1995},
	month = {1995/10},
	pages = {pp. 201-212.},
	author = {McLaughlin, Alison and Pierre Mineau}
}
@book {3017,
	title = {West of Wichita: Settling the High Plains of Kansas, 1865-1890},
	year = {1986},
	month = {1986},
	publisher = {University Press of Kansas},
	organization = {University Press of Kansas},
	address = {Lawrence},
	author = {Miner, H. Craig}
}
@article {2974,
	title = {Agricultural Achievements of the Prairie Experimental Farms, 1886-1986},
	journal = {Prairie Forum},
	volume = {Vol. 11},
	year = {1986},
	month = {1986},
	pages = {pp. 195-214.},
	author = {Morrison, J. W.}
}
@article {2938,
	title = {A no-tillage farming system for clay soils},
	journal = {Journal of Production Agriculture},
	volume = {Vol. 3},
	year = {1990},
	month = {1990},
	pages = {pp. 219-227.},
	author = {Morrison, J. E. Jr. and et al}
}
@book {2884,
	title = {History of Prairie Settlement},
	year = {1938},
	month = {1938},
	publisher = {Canadian Frontiers of Settlement. Macmillan Company of Canada.},
	organization = {Canadian Frontiers of Settlement. Macmillan Company of Canada.},
	address = {Toronto},
	author = {Morton, Arthur S.}
}
@book {2874,
	title = {Agricultural Progress on the Prairie Frontier},
	year = {1936},
	month = {1936},
	publisher = {Canadian Frontiers of Settlement Series. The Macmillan Company of Canada},
	organization = {Canadian Frontiers of Settlement Series. The Macmillan Company of Canada},
	author = {Murchie, R. W.}
}
@article {3003,
	title = {Homestead on the Range: The Emergence of Community in Eastern Montana, 1900-1925},
	journal = {Great Plains Quarterly},
	volume = {Vol. 10},
	year = {1990},
	month = {1990},
	pages = {pp. 218-227.},
	author = {Myers, Rex C.}
}
@book {3023,
	title = {Barbed Wire: An Ecology of Modernity},
	year = {2004},
	month = {2004.},
	publisher = {Wesleyan University Press},
	organization = {Wesleyan University Press},
	address = {Middletown, Conn.},
	author = {Netz, Reviel}
}
@book {3019,
	title = {From Prairie Farmer to Entrepreneur: The Transformation of Midswestern Agriculture},
	year = {2005},
	month = {2005},
	publisher = {Indiana University Press, Midwestern History and Culture Series},
	organization = {Indiana University Press, Midwestern History and Culture Series},
	address = {Bloomington},
	author = {Nordin, Dennis S. and Scott, Roy V.}
}
@article {3028,
	title = {Dry Farming and the Economics of Risk Bearing: The Canadian Prairies, 1870-1930.},
	journal = {Agricultural History},
	volume = {Vol. 51},
	year = {1977},
	month = {1977},
	pages = {pp. 134-148.},
	author = {Norrie, K. H.}
}
@article {2995,
	title = {Environmental Impact Assessment in Practice: Exploring the Contradictions},
	journal = {Great Plains Research},
	volume = {Vol. 3},
	year = {1993},
	month = {1993},
	pages = {pp. 337-357.},
	author = {Novek, Joel}
}
@article {3039,
	title = {The New Ecology and Landscape Archaeology: Incorporating the Anthropogenic Fator in Models of Settlement Systems in the Canadian Prairie Ecozone},
	journal = {Canadian Journal of Archaeology},
	volume = {Vol. 31},
	year = {2007},
	month = {2007},
	pages = {pp. 65-92.},
	author = {Oetelaar, Gerald A. and Joy Oetelaar}
}
@article {2955,
	title = {100 Years of Climate Risk Assessment on the High Plains: Which Farm Paradigm does Irrigation Serve?},
	journal = {Agricultural History},
	volume = {Vol. 63},
	year = {1989},
	month = {1989},
	pages = {pp. 243-269.},
	author = {Opie, John}
}
@article {2922,
	title = {Variation in soil properties and crop yield across an eroded prairie landscape},
	journal = {Journal of Soil and Water Conservation},
	volume = {Vol. 60},
	year = {2005},
	month = {2005},
	pages = {pp. 388-395.},
	author = {Papiernik, S. K. M. J. Lindstrom J. A. Schumacher A. Farenhorst K. D. Stephens T. E. Schumacher and D. A. Lobb}
}
@article {2989,
	title = {Sustainability and Historical Land-use Change in the Great Plains: The Case of Eastern Colorado},
	journal = {Great Plains Research},
	volume = {Vol. 13},
	year = {2003},
	month = {2003},
	pages = {pp. 97-125.},
	author = {Parton, William J. and et al}
}
@article {2928,
	title = {Ecological Impact of Historical Land-Use Patterns in the Great Plains: A methodological assessment},
	journal = {Ecological Applications},
	volume = {Vol. 15},
	year = {2005},
	month = {2005},
	pages = {pp. 1915-1928.},
	author = {Parton, William and et al}
}
@article {2958,
	title = {The Popper Proposals for the Great Plains: A View from the Canadian Prairies},
	journal = {Great Plains Research},
	volume = {Vol. 2},
	year = {1992},
	month = {1992},
	pages = {pp. 199-222.},
	author = {Paul, Alec.}
}
@article {3007,
	title = {Abideth Forever? Global Use of Semiarid Lands in the Interwar Years},
	journal = {Great Plains Quarterly},
	volume = {Vol. 6},
	year = {1986},
	month = {1986},
	pages = {pp. 151-170.},
	author = {Powell, J. M.}
}
@article {3004,
	title = {Rethinking the Farm Revolt of the 1930s},
	journal = {Great Plains Quarterly},
	volume = {Vol. 8},
	year = {1988},
	month = {1988},
	pages = {pp. 131-144.},
	author = {Pratt, William C.}
}
@book {3041,
	title = {Weed Ecology: Implications for Management},
	year = {1997},
	month = {1997.},
	publisher = {John Wiley and Sons},
	organization = {John Wiley and Sons},
	author = {Radosevich, Stephen R Jodie Holt and Claudio Ghersa}
}
@article {2981,
	title = {The Role of Frost as a Limiting Factor to Wheat Production in the Red River Settlement},
	journal = {Prairie Forum},
	volume = {Vol. 17},
	year = {1992},
	month = {1992},
	pages = {pp. 1-12.},
	author = {Rannie, W. F.}
}
@article {3009,
	title = {Mapping the Quality of Land for Agriculture in Western Canada},
	journal = {Great Plains Quarterly},
	volume = {Vol. 5},
	year = {1985},
	month = {1985},
	pages = {pp. 236-248.},
	author = {Richtik, James M.}
}
@book {3024,
	title = {Childhood on the Farm: Work, Play, and Coming of Age in the Midwest},
	year = {2005},
	month = {2005.},
	publisher = {University Press of Kansas},
	organization = {University Press of Kansas},
	address = {Lawrence},
	author = {Riney-Kehrberg, Pamela}
}
@article {2993,
	title = {Adaptations to Adversity: Agriculture, Climate and the Great Plains of North America},
	journal = {Great Plains Quarterly},
	volume = {Vol. 6},
	year = {1986},
	month = {1986},
	pages = {pp. 202-217.},
	author = {Rosenberg, Norman J.}
}
@article {2875,
	title = {Subsistence, Diversification, and Staple Orientations on Saskatchewan Farms: Parklands vs. Prairie, 1911-1926},
	journal = {Saskatchewan History},
	volume = {57},
	year = {2005},
	month = {2005/Fall},
	pages = {15-28},
	author = {Russell, Peter A.}
}
@article {2968,
	title = {Economic Diversification in the Canadian Prairies},
	journal = {Prairie Forum},
	volume = {Vol. 7},
	year = {1982},
	month = {1982},
	pages = {pp. 91-94.},
	author = {Sahir, A. H. and A. A. Seaborne}
}
@book {2918,
	title = {Prairie Conservation in North America},
	year = {1996},
	month = {1996},
	publisher = {Island Press},
	organization = {Island Press},
	author = {Fred Samson and Fritz Knopf}
}
@article {2921,
	title = {Recent Environmental Change in the Southwestern Canadian Plains},
	journal = {Canadian Geographer},
	volume = {Vol. 42},
	year = {2008},
	month = {2008/06},
	pages = {pp. 337-353.},
	author = {Sauchyn, David and Alwynne Beaudoin}
}
@article {3029,
	title = {The Agricultural Revolution in the Prairies and the Great Plains of the United States},
	journal = {Agricultural History},
	volume = {Vol. 8},
	year = {1934},
	month = {1934},
	pages = {pp. 169-195.},
	author = {Schmidt, Loius Bernard}
}
@article {2936,
	title = {Distribution and forms of P under cultivator- and zero-tillage for continuous and fallow-wheat cropping systems in the semi-arid Canadian prairies},
	journal = {Soil and Tillage Research},
	volume = {Vol. 51},
	year = {1999},
	month = {1999},
	pages = {pp. 47-59.},
	author = {Selles, F. B. G. McConkey and C. A. Campbell}
}
@article {2962,
	title = {Land Policies of the Hudson{\textquoteright}s Bay Company at Upper Fort Garry: 1869-1879.},
	journal = {Prairie Forum},
	volume = {Vol. 2},
	year = {1977},
	month = {1977},
	author = {Selwood, John and Evelyn Ball}
}
@article {2973,
	title = {Tractors and Combines in the Second Stage of Agricultural Mechanization on the Canadian Plains},
	journal = {Prairie Forum},
	volume = {2},
	year = {1911},
	month = {1911},
	author = {Shepard, R. Bruce}
}
@article {2924,
	title = {Forty-eight years of landscape change on two contiguous Ohio landscapes},
	journal = {Landscape Ecology},
	volume = {Vol. 9},
	year = {1994},
	month = {1994/12},
	pages = {pp. 261-270.},
	author = {Simpson, John and et al}
}
@book {3027,
	title = {The Politics of Agricultural Policymaking in Canada},
	year = {1987},
	month = {1987.},
	publisher = {University of Toronto Press},
	organization = {University of Toronto Press},
	address = {Toronto},
	author = {Skogstad, Grace}
}
@book {3026,
	title = {The Future of the Southern Plains},
	year = {2003},
	month = {2003.},
	publisher = {University of Oklahoma Press},
	organization = {University of Oklahoma Press},
	address = {Norman},
	author = {Smith, Sherry L ed.}
}
@conference {2953,
	title = {The agricultural soil and climatic resources of the Prairie Provinces: Summation},
	year = {1980},
	note = {Proceedings Title: Prairie Production Symposium: Program, Resource People, Summary Papers and ProceedingsPlace of Meeting: Saskatoon},
	month = {1980},
	publisher = {sponsored by the Canadian Wheat Board},
	organization = {sponsored by the Canadian Wheat Board},
	author = {Soper, R. J.}
}
@article {2935,
	title = {How Does an Agricultural Region Originate?},
	journal = {Annals of the Association of American Geographers},
	volume = {Vol. 53},
	year = {1963},
	month = {1963},
	pages = {pp. 74-90.},
	author = {Spencer, J. E. and Ronald Horvath}
}
@article {2966,
	title = {The Cost of Making a Farm on the Prairies},
	journal = {Prairie Forum},
	volume = {Vol. 7},
	year = {1982},
	note = {Language: 95-100.},
	month = {1982},
	pages = {pp.},
	author = {Spry, Irene}
}
@booklet {2892,
	title = {A short history of prairie agriculture},
	year = {1954},
	month = {1954},
	publisher = {Searle Grain Company},
	address = {Winnipeg},
	author = {Strange, H. G. L. Henry George Latimer}
}
@book {3013,
	title = {Saving the Prairies: The Life Cycle of the Founding School of American Plant Ecology, 1895-1955},
	year = {1981},
	month = {1981.},
	publisher = {University of California Press},
	organization = {University of California Press},
	address = {Berkeley},
	author = {Tobey, Ronald}
}
@book {2959,
	title = {Modern Agriculture: Its Effects on the Environment},
	year = {1985},
	month = {1985},
	publisher = {Cornell Cooperative Extension},
	organization = {Cornell Cooperative Extension},
	author = {Trautmann, N. M. K. S. Porter and R. J. Wagenet}
}
@book {2954,
	title = {New Geographies of the American West: Land use and the Changing Patterns of Place},
	year = {2007},
	month = {2007},
	publisher = {Island Press},
	organization = {Island Press},
	author = {Travis, William R.}
}
@book {2883,
	title = {By Section, Township and Range: Studies in Prairie Settlement},
	year = {1972},
	month = {1972},
	publisher = {Assiniboine Historical Society},
	organization = {Assiniboine Historical Society},
	address = {Brandon},
	author = {Tyman, John Langton}
}
@book {2881,
	title = {Vulcan: The Making of a Prairie Community},
	year = {1988},
	month = {1988},
	publisher = {University of Toronto Press},
	organization = {University of Toronto Press},
	address = {Toronto},
	author = {Voisey, Paul}
}
@article {2983,
	title = {Farming Technolgoy and Crop Area on Early Prairie Farms},
	journal = {Prairie Forum},
	volume = {Vol. 20},
	year = {1995},
	month = {1995},
	pages = {pp. 19-36.},
	author = {Ward, Tony}
}
@article {2960,
	title = {Prehistory and Environment in the Central Great Plains},
	journal = {Transactions of the Kansas Academy of Science},
	volume = {Vol. 50},
	year = {1947},
	note = {Language: 1--18.},
	month = {1947},
	pages = {pp.},
	author = {Wedel, Waldo}
}
@article {2909,
	title = {Economic Instruments and Environmental Policy in Agriculture},
	journal = {Canadian Public Policy / Analyse de Politiques},
	volume = {Vol. 24},
	month = {Sep 1998},
	pages = {pp. 309-327},
	author = {Weersink, Alfons John Livernois Jason F. Shogren and James S. Shortle}
}
@article {3001,
	title = {Saskatchewan Bound: Migration to a New Canadian Frontier},
	journal = {Great Plains Quarterly},
	volume = {Vol. 12},
	year = {1992},
	month = {1992},
	pages = {pp. 254-268.},
	author = {Widdis, Randy William}
}
@article {2971,
	title = {Modelling the Agricultural Settlement Process of Southern Manitoba, 1872 to 1891: Some Implications for Settlement Theory},
	journal = {Prairie Forum},
	volume = {Vol. 10},
	year = {1985},
	month = {1985},
	pages = {pp. 83-104.},
	author = {Wiesinger, Judith P.}
}
@article {2943,
	title = {Land-use management using a soil survey database for Finney County, Kansas},
	journal = {Soil Science Society of America Journal},
	volume = {Vol. 65},
	year = {2001},
	month = {2001},
	pages = {pp. 169-177.},
	author = {Wu, J. and et al}
}
@article {2939,
	title = {Effect of crop rotations and fertilization on energy balance in typical production systems on the Canadian Prairies},
	journal = {Agriculture, Ecosystems, and Environment},
	volume = {Vol. 25},
	year = {1989},
	month = {1989},
	pages = {pp. 217-232.},
	author = {Zentner, R. P. M. A. Stumborg and C. A. Campbell}
}
@article {2940,
	title = {Tillage method and crop diversification: effect on economic returns and riskiness of cropping systems in a Thin Black Chernozem of the Canadian Prairies},
	journal = {Soil and Tillage Research},
	volume = {Vol. 67},
	year = {2002},
	month = {2002},
	pages = {pp. 9-21.},
	author = {Zentner, R. P. and et al}
}
@article {3032,
	title = {In Search of a Sustainable Cropping System for the Semiarid Canadian Prairies},
	journal = {Journal of Sustainable Agriculture},
	volume = {Vol. 18},
	year = {2001},
	month = {2001},
	pages = {pp. 117-136.},
	author = {Zentner, R. P. and et al}
}
