Hector Falls
Pennsylvania Geology Resources
- Geological Story of PennsylvaniaThis pamphlet describes Pennsylvania through the geologic periods and how the environment has changed.
- Pennsylvania Geology Digital CollectionScanned books and maps on the geology of Pennsylvania, including publications from the Pennsylvania Geological Survey and the U.S. Geological Survey.
- Centre County Natural ResourcesThis webpage lists resources describing local geology and geologic landmarks.
- Pennsylvania Minerals InformationChapter from the USGS Minerals Yearbook.
- Pennsylvania BluestoneThis informational page is provided by Susquehanna County
- Comprehensive plans of counties in PennsylvaniaMany plans have a section on local natural resources such as geology and groundwater.
- PA Geological SurveyLink to the current state survey website. The February 1987 issue of Pennsylvania Geology magazine was devoted to the history of the Survey.
- Soil Surveys for PennsylvaniaCounty soil surveys include a brief overview of regional geography.
- Geologic Hand Atlas of the Sixty-Seven Counties of PennsylvaniaAn old but still reliable hand atlas covering all the counties in Pennsylvania.
- Monthly Bulletin of the PA Dept. of Internal AffairsThis publication, and its later iteration "Internal Affairs", frequently featured news related to PA geology. It existed from 1935-1968. "Penn Prospector" was a regular column.
Pennsylvania Geological Survey
Pennsylvania Geological Survey Publications
For more information on the Survey, visit our Pennsylvania Geology collection page. An overall history of the Survey was published in 1987 in an issue of Pennsylvania Geology (v.18 no.1).
First Geological Survey
- First annual report, 1836
- Second annual report, 1838
- Third annual report, 1839
- Fourth annual report, 1840
- Fifth annual report, 1841
- Sixth annual report, 1842