United States. Soil Conservation ServiceShows land use. 'Source: Important farmland map compiled from soil survey published 1981.' Includes vicinity map and text. 'September 1984.' '4-R-38,950.' 'July 1983, Base 4-R-38,368.'115 x 98 centimetersJPEGUMN_ALMA:9964192380001701engThe Service (Washington, D.C.?)PublicImportant farmland, Knox County, IndianaMapsIndiana--Knox CountyIndiana1984?University of Minnesota