National Geologic Map Database
Product Description Page
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Title: Philadelphia folio, Norristown, Germantown, Chester, and Philadelphia quadrangles, Pennsylvania-New Jersey-Delaware
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Author(s): Bascom, Florence, Clark, W.B., Darton, N.H., Kummel, H.B., Salisbury, R.D., Miller, B.L., and Knapp, G.N.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Geologic Atlas of the United States Folio GF-162
- Publication Date: 1909
- Map Scale: 1:62,500
- Cross Section: Yes
- North Latitude: 40° 15' 0" N (40.2500)
- South Latitude: 39° 45' 0" N (39.7500)
- East Longitude: 75° 0' 0" W (-75.0000)
- West Longitude: 75° 30' 0" W (-75.5000)
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