1. Important farmlands, Morrow County, Oregon Maps University Of Minnesota Public content 1982. United States. Soil Conservation Service. Relief shown by hachures.; Shows land use.; "March 1982."; Includes location maps.; On verso: text.; "M7-0-24100-25." 83 x 54 centimeters; 63 x 49 ... USDA-SCS (Portland, Or.).