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General Information

  • Title: Washington folio, District of Columbia-Maryland-Virginia
  • Author(s): Darton, N.H., and Keith, Arthur
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Geologic Atlas of the United States Folio GF-70
  • Publication Date: 1901
  • Map Scale: 1:62,500
  • Cross Section: None
  • North Latitude: 39° 0' 0" N (39.0000)
  • South Latitude: 38° 45' 0" N (38.7500)
  • East Longitude: 76° 45' 0" W (-76.7500)
  • West Longitude: 77° 15' 0" W (-77.2500)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.