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General Information

  • Title: The Middle Ordovician of central and south central Pennsylvania
  • Author(s): Field, R.M.
  • Publishing Organization: American Journal of Science
  • Series and Number: American Journal of Science, 4th Series v. 48, no. 288 [p. 403-428]
  • Publication Date: 1919
  • Cross Section: None
  • North Latitude: 41° 11' 16" N (41.1877)
  • South Latitude: 39° 43' 12" N (39.7200)
  • East Longitude: 76° 51' 49" W (-76.8636)
  • West Longitude: 78° 38' 55" W (-78.6487)
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