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Start Over Place Oregon Year 1980 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. County Boundaries of the United States, 1980

Datasets Stanford University Public content
1980. Geological Survey (U.S.). This polygon shapefile contains the 1980 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).

2. 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.).

3. 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.).