National Geologic Map Database
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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- American Journal of Science
- 217 Kline Geology Laboratory
- Yale University
- P O Box 208109
- New Haven CT 06520-8109
- Phone: (203) 432-3131
- Fax: (203) 432-5668
- Email: ajs@yale.edu
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.