Science and Environment Geology
You have found the way to Geology on Science and Environment:
See also:
A Geological Hand Atlas of the Sixty-Seven Counties of Pennsylvania - Electronic version of an 1885 report. Includes descriptions and geologic maps for each county.
Pennsylvania Council of Professional Geologists - Serve the professional and commercial interests of member firms that provide or utilize geological services.
Pittsburgh Geological Society - Organization of professionals and amateurs. Includes meeting schedule, maps and publications on regional geology, geohazards, and other topics, issue statements, job postings, and other resources. Help build the largest human-edited directory on the web.