1980. United States. Soil Conservation Service. Shows land use.; "Interpretations derived from soil map constructed 1979 by Cartographic Division, Soil Conservation Service, USDA, of the State of... The Service (Washington, D.C.?).
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1839. Burr, David H., 1803-1875. Detailed map showing relief by hachures, drainage, township and county boundaries, cities and towns, canals, road, and railroads. From his The Amer... (London], ).
1847. Mitchell, S. Augustus (Samuel Augustus), 1792-1868. Longitude in degrees west from Greenwich and east from Washington, D.C.; latitude in degrees north from equator.; Colored by county; borders of sta... S.A . Mitchell (Philadelphia, Pa).