Open-File Bedrock Geologic Map 08–05.0
	Bedrock geologic map of a portion of the Philadelphia quadrangle, Montgomery and Philadelphia Counties, Pennsylvania by Bosbyshell, Howell 2008
Suggested Citation:	Bosbyshell, Howell, 2008, Bedrock geologic map of a portion of the Philadelphia quadrangle, Montgomery and Philadelphia Counties, Pennsylvania: Pennsylvania Geological Survey, 4th ser., Open-File Report OFBM 08–05.0, 21 p., 1 map, scale 1:24,000. [Available online.]
Description:	This report is a multi-page PDF file that includes a 1:24,000-scale, full-color bedrock geologic map and cross section of the northwestern portion of the Philadelphia 7.5-minute quadrangle in southeastern Pennsylvania. The other pages provide an introduction to the outcrop locations and literature that aided mapping, map unit descriptions, a discussion of metamorphism in the area, a report on the age dating of monazite from a sample of Wissahickon Formation, a discussion of deformation and metamorphism interpretations for the area, and tables of structural measurements. The report is illustrated with photographs of outcrops, photomicrographs of rock samples, and diagrams. The data presented on the map were compiled in an ArcGIS geodatabase. The geodatabase, associated shapefiles, and an ArcMap document are included in the download for this report.
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