National Geologic Map Database
General Information
- Title: Structural petrology of the Wissahickon schist near Philadelphia, Pennsylvania
- Author(s): Ch'ih, Chi-Shang
- Publishing Organization: Geological Society of America
- Series and Number: Bulletin v.61, n.9 [p. 923]
- Publication Date: 1950
- Map Scale: 1:81,000
- Cross Section: None
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