Erosion and related land use conditions in Winona county, Minnesota,
by Mark H. Brown and Iver J. Nygard ...
- Washington [U.S. Govt. Print. Off., 1941]
- 1 p. l., 33 p. incl. illus., tables, diagrs. 77 maps (76 fold. in pocket) 27 cm.
- U. S. Soil Conservation Service. Erosion survey no. 17 .
Issued by U. S. Dept. of Agriculture, Soil Conservation Service.