Nelson, L., Clampitt. Population Trends in Minnesota, 1940. Saint Paul, MN: University of Minnesota Agricultural Experiment Station. Bulletin 387.
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/
Nelson, Lowry; Clampitt.
Population Trends in Minnesota, 1940.
Minnesota Agricultural Experiment Station.
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