00960cam a22002411 4500 agr41000288 DLC 20260227110959.0 800722s1941 dcuab f000 0 eng c agr41000288 (OCoLC)6539988 U. S. Dept. of Agr. Library MnWinoS OCoLC DLC S623 .U44 no. 17 631.45 Brown, Mark Herbert, 1900- ... 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. Soil conservation Minnesota Winona County. Nygard, Iver J. (Iver John), 1903- 10105 10105