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• Schultz, C. H., editor, The Geology of Pennsylvania,
Special Publication 1, 888 pp., Pennsylvania Geological Survey and Pittsburg Geological
Society, Harrisburg and Pittsburg, 1999.
This comprehensive volume covers all facets of the
state’s geology: stratigraphy, tectonics, geologic
history, mineral resources, and more. Reprinted in 2002, it may be ordered from
the state Geological
Survey.
• Van Diver, B. B., Roadside Geology of Pennsylvania, 352
pp., Mountain Press, Missoula, Montana, 1990.
• Geyer, A. R., and W. H. Bolles,
Outstanding Scenic Features of Pennsylvania, Environmental Geology Report 7,
508 pp., Bureau of Topographic and Geologic Survey, Harrisburg, 1979.
This book lists some of the geologic sites of interest
in the state. Directions and maps are provided, but descriptions are brief.
Features in the Philadelphia region include hills, cliffs, boulder fields, and
marshes.
• The Pennsylvania Topographic and Geologic Survey offers
numerous publications and maps; visit their web site.
• Newman, B., L. Newman, Hikes Around Philadelphia, 200
pp., Temple University Press, Philadelphia, 1997.
Directions, hiking trails, and other information for
some of the geologic features on this site are
provided in this book.
Last revised: 25 May 2009