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General Information

  • Title: Some manganese mines in Virginia and Maryland
  • Author(s): Hewett, D.F.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Bulletin 640 [p. 37-71]
  • Larger Work: Contributions to economic geology (short papers and preliminary reports) 1916, part I- metals and nonmetals except fuels
  • Publication Date: 1916
  • Map Scale: 1:4,525,714
  • Cross Section: None
  • North Latitude: 39° 22' 22" N (39.3728)
  • South Latitude: 37° 20' 20" N (37.3389)
  • East Longitude: 77° 40' 51" W (-77.6808)
  • West Longitude: 79° 12' 45" W (-79.2125)
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