Soil survey of Anoka County, Minnesota / by William G. Smith, and George H. Nesom and E.G. Roth.
Smith, William G.
Nesom, George H.
Roth, E. G.
United States. Bureau of Soils.
University of Minnesota. Agricultural Experiment Station.
Govt. Print. Office,
At head of title: U.S. Department of Agriculture, Bureau of Soils, in cooperation with the University of Minnesota Agricultural Experiment Station.
"Advance sheets--Field Operations of the Bureau of Soils, 1916."
S599.M51 S65 1918