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USGS Map Name | Map Size | Scale | Latitude | Longitude | DRG Filename | View Map | ||||||
Union Bridge | 7.5deg x 7.5deg | 1:24,000 | 39.625°N - 39.500°N | 77.250°W - 77.125°W | o39077e2.tif | |||||||
Upper Marlboro | 7.5deg x 7.5deg | 1:24,000 | 38.875°N - 38.750°N | 76.875°W - 76.750°W | o38076g7.tif | |||||||
Upper Marlboro | 15min x 15min | 39.000°N - 38.750°N | 77.000°W - 76.750°W | |||||||||
Urbana | 7.5deg x 7.5deg | 1:24,000 | 39.375°N - 39.250°N | 77.375°W - 77.250°W | o39077c3.tif |