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Start Over Year 1980 Place Oregon

1. Important farmlands, Polk County, Oregon

Maps University Of Minnesota Public content
1980. United States. Soil Conservation Service. Relief shown by hachures.; Shows land use.; "Base map prepared by SCS, WTSC Carto Unit from 1:126,720 general highway maps."; ""December 1980."; In... USDA-SCS (Portland, Or.).

2. Important farmlands, Sherman County, Oregon

Maps University Of Minnesota Public content
1980. United States. Soil Conservation Service. Shows land use.; Sheet 1 of 2; shows northern portion.; "October 1980."; Includes vicinity map.; On verso: text.; "M7-0-24100-28." 41 x 61 centimeters. USDA-SCS (Portland, Or.).