National Geologic Map Database
General Information
- Title: Relation of the Wissahickon mica gneiss to the Shenandoah limestone and Octoraro schist of the Doe Run and Avondale region, Chester County, Pennsylvania
- Author(s): Bliss, E.F., and Jonas, A.I.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Professional Paper 98-B
- Larger Work: Shorter contributions to general geology, 1916
- Publication Date: 1917
- Map Scale: 1:62,500
- Cross Section: Yes
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