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General Information

  • Title: Lower Middle Ordovician of south-central Pennsylvania
  • Author(s): Craig, L.C.
  • Publishing Organization: Geological Society of America
  • Series and Number: Bulletin v.60, n.4 [p. 707]
  • Publication Date: 1949
  • Map Scale: 1:62,000
  • Cross Section: None
  • North Latitude: 40° 15' 26" N (40.2572)
  • South Latitude: 39° 33' 30" N (39.5583)
  • East Longitude: 77° 21' 23" W (-77.3564)
  • West Longitude: 78° 4' 35" W (-78.0764)
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