Pond, G.A., Sallee, G.A., Crickman, C.W. 1931. Planning Systems of Farming for the Red River Valley of Minnesota. Saint Paul, MN: University of Minnesota Agricultural Experiment Station. Bulletin 284.
This archival publication may not reflect current scientific knowledge or recommendations. Current information available from University of Minnesota Agricultural Experiment Station: http://www.maes.umn.edu/
Pond, George A.; Sallee, George A.; Crickman, C.W..
Planning Systems of Farming for the Red River Valley of Minnesota.
Minnesota Agricultural Experiment Station.
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