Physical land conditions in Washington county, Minnesota,
by J. A. Bonsteel ... and G. A. Simpson ...
- Washington, D.C., United States Dept. of agriculture, Soil conservation service, [1944]
- 42 p. incl. illus., map, plans, tables, diagr. 26 cm.
- U.S. Soil conservation service. Physical land survey no. 36 .
- Physical land survey no. 36 .