Geology
- The Geology of Centre CountyPublished in 1884, from the Pennsylvania Geological Survey. Includes link to the county geologic map.
- Atlas of Preliminary Geologic Quadrangle Maps of Pennsylvania[Note: it may take a few minutes for the page to load]
This 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.
- 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.
- Soils and Geology of Nittany Valley by Ciolkosz, E. J.Prehistoric and historic habitation of area, vegetation and soil types, geology of the area.
Minerals
Warner, Fred. "Centre County Limestone" Centre County Heritage, v.9 (April 1973):2-5.
Sinkholes and caves
"The Sinking of the Dairy Building" by Jo Chesworth. Town & Gown (June 1993 reprint of January 1972 article), p. 24-30
Caves of Centre County. 1979.