Elwell, J. Ambrose (John Ambrose), 1897-; Strike, W. W. (Wendell William), 1893-; McMiller, P. R. (Paul Raymond), 1887-1956; University of Minnesota. Agricultural Experiment Station; United States. Bureau of Soils; A. Hoen & Co
Created:
1924
Contributed By:
University of Minnesota Libraries, John R. Borchert Map Library.