00931cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040005300111050002200164082001100186100003200197245011800229260004800347300008700395490006000482500006900542650004900611700004100660agr41000288 DLC20260227110959.0800722s1941    dcuab        f000 0 eng c  aagr41000288   a(OCoLC)6539988  aU. S. Dept. of Agr. LibrarycMnWinoSdOCoLCdDLC00aS623b.U44 no. 17  a631.451 aBrown, Mark Herbert,d1900-10a... Erosion and related land use conditions in Winona county, Minnesota,cby Mark H. Brown and Iver J. Nygard ...  aWashingtonb[U.S. Govt. Print. Off.,c1941]  a1 p. l., 33 p. incl.billus., tables, diagrs. 77 maps (76 fold. in pocket)c27 cm.0 aU. S. Soil Conservation Service. Erosion surveyvno. 17  aIssued by U. S. Dept. of Agriculture, Soil Conservation Service. 0aSoil conservationzMinnesotazWinona County.1 aNygard, Iver J.q(Iver John),d1903-