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Start Over Year 1980 Publisher Dept. of Agriculture, Soil Conservation Service (Lanham, Md.) Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Prince Georges County, Maryland

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1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base dated 1977; interpretations derived from soil map constructed 1967.; "Projection and 10,000-meter grid tick... Dept. of Agriculture, Soil Conservation Service (Lanham, Md.).

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