National Geologic Map Database
General Information
- Title: Subdivision and dating of the Cambrian of eastern Pennsylvania
- Author(s): Howell, B.F., Roberts, Henry, and Willard, Bradford
- Publishing Organization: Geological Society of America
- Series and Number: Bulletin v. 61 no. 12 [pt. 1, p. 1355-1367]
- Publication Date: 1950
- Map Scale: 1:1,584,000
- Cross Section: None
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