United States. Soil Conservation Service10-17-79.' 'Thematic source: Generalized from soil map data of soil survey of Jefferson County, Nebraska (1975) ...' 'Base source: Base map obtained from soil survey Jefferson County, General soil map, compiled in 1973.' Includes location map. '5,P-37,611.46 x 61 centimetersJPEGUMN_ALMA:9942401030001701engUSDA-SCS (Lincoln, Nebr)PublicImportant farmland, Jefferson County, NebraskaMapsNebraska--Jefferson CountyNebraska1979University of Minnesota