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Start Over Place Texas 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. Soil interprative map of important farmlands : Lubbock County, Texas

Maps University Of Minnesota Public content
1980. United States. Soil Conservation Service. "Base compiled from U.S.G.S. quadrangle sheets and county highway map, polyconic projection."; "50,000 foot grid ticks based on the Texas state pla... The Service (Fort Worth, Tex.).