1926. University of Chicago. Local Community Research Committee. Scale [ca. 1:48,000]; Master and use copy. Digital master created according to Benchmark for Faithful Reproductions of Monographs and Serials, Vers...
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1925. Michigan. Land Economic Survey. Field work 1925.; "A. Hoen & Co. lith. Baltimore, Md."; Location map and "Soil and agricultural report, Menominee County, 1925" on verso. 157 x 79 ... Michigan Dept. of Conservation (Lansing, Mich).
1930. Iowa. State Planning Board. Committee on Soil Conservation. 85 pages in various pagings ; 29 cm. Iowa. State Planning Board. Committee on Soil Conservation.
1930. Iowa. State Planning Board. Committee on soil conservation. [14] pages illustrations, maps ; 20 cm. Iowa. State Planning Board.
22555. Soil erosion Iowa estimated extent of soil erosion approximate areas based on Iowa Soil Survey
1930. Iowa. State Planning Board. Committee on Land Utilization. 1 map black line ; 83 x 113 cm Iowa state plan. "Project no. 1030.". Iowa. State Planning Board.
1980. United States. Soil Conservation Service. "Base compiled from U.S.G.S. quadrangle sheets and county highway map, polyconic projection."; "50,000 foot grid ticks based on the Texas state pla... The Service (Fort Worth, Tex.).
1981. United States. Soil Conservation Service. Shows land use.; "Issued 1982."; Includes vicinity map.; "August 1981 base 4-R-34963." 56 x 86 centimeters 1:100,000. USDA-SCS (Fort Worth, Tex.).
1981. United States. Soil Conservation Service. Shows land use.; Includes vicinity map.; "December 1980 base 4-R-37584." 38 x 58 centimeters. USDA-SCS (Fort Worth, Tex.).
1981. United States. Soil Conservation Service. Shows land use.; Includes vicinity map.; "February 1981 base 4-R-33865." 66 x 76 centimeters. The Service (Fort Worth, Tex.?).
1981. United States. Soil Conservation Service. Shows land use.; Includes vicinity map.; "4-R-36538." 61 x 72 centimeters 1:100,000. The Service (Fort Worth, Tex.?).