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General Information

  • Title: Stratigraphy of the crystalline schists of Pennsylvania and Maryland
  • Author(s): Knopf, E.B., and Jonas, A.I.
  • Publishing Organization: American Journal of Science
  • Series and Number: American Journal of Science, 5th Series v. 5, no. 25 [p. 40-62]
  • Publication Date: 1923
  • Map Scale: 1:1,440,000
  • Cross Section: Yes
  • North Latitude: 40° 29' 37" N (40.4935)
  • South Latitude: 38° 54' 54" N (38.9150)
  • East Longitude: 75° 51' 15" W (-75.8542)
  • West Longitude: 77° 23' 0" W (-77.3833)
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