National Geologic Map Database
General Information
- Title: The Keyser limestone and Helderberg group
- Author(s): Swartz, F.M.
- Publishing Organization: Pennsylvania Geological Survey
- Series and Number: General Geology Report 19 [p. 29-91]
- Larger Work: Willard, Bradford, Swartz, F.M., and Cleaves, A.B., The Devonian of Pennsylvania
- Publication Date: 1939
- Map Scale: 1:4,674,098
- Cross Section: Yes
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Geologic units referred to in Geolex
Additional Resources
- Links and Downloads:
- Publication
- This product is available, please note the publication series and number, and then contact:
- Pennsylvania Geological Survey
- 3240 Schoolhouse Rd.
- Middletown, PA 17057-3534
- Phone: (717) 702-2017
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.