Geology
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The Geology of Centre CountyPublished in 1884, from the Pennsylvania Geological Survey. Includes link to the county geologic map.
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Atlas of Preliminary Geologic Quadrangle Maps of PennsylvaniaThis atlas contains scans of regional geology at a scale of 1:24,000. Maps are organized by topographic quadrangle map name.
Local geologic quadrangle maps
The designated areas shown in the map on the left link to the corresponding geologic quadrangle from the Atlas above. Click on a quadrangle name to access the related map in PDF format.
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[Print version] Atlas of Preliminary Geologic Quadrangle Maps of PennsylvaniaYou can view our print maps of the atlas in the Earth and Mineral Sciences Library also.
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Engineering Characteristics of the Rocks of PennsylvaniaThis book is very helpful in explaining the rock types found on the geologic maps in the atlas above.
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Soils and Geology of Nittany Valley by Ciolkosz, E. J.Prehistoric and historic habitation of area, vegetation and soil types, geology of the area.
Sinkholes
"The Sinking of the Dairy Building" by Jo Chesworth. Town & Gown (June 1993 reprint of January 1972 article), p. 24-30