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General Information

  • Title: Early Silurian formations of southeastern Pennsylvania
  • Author(s): Swartz, C.K., and Swartz, F.M.
  • Publishing Organization: Geological Society of America
  • Series and Number: Bulletin v. 42 no. 3 [p. 621-661]
  • Publication Date: 1931
  • Map Scale: 1:5,700,000
  • Cross Section: Yes
  • North Latitude: 41° 49' 37" N (41.8269)
  • South Latitude: 39° 39' 10" N (39.6529)
  • East Longitude: 74° 7' 35" W (-74.1263)
  • West Longitude: 78° 37' 30" W (-78.6250)
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