United States. Soil Conservation ServiceRelief shown by hachures and spot heights. Shows land use. 'Compiled 1980.' Includes location maps and sheet indexes. 'M7 0 24083.'65 x 58 centimeters; 76 x 64 centimetersJPEGUMN_ALMA:9959566120001701engUSDA-SCS (Fort Worth, Tex)PublicImportant farmland, Yuma-Welton area, Yuma County, Arizona, Imperial County, CaliforniaMapsArizona--Yuma CountyArizona--Imperial CountyCalifornia--Yuma CountyCalifornia--Imperial CountyArizonaCalifornia1983University of Minnesota