May 5, 2020 - Jeri Jones, a native of York, spoke to us about York County geology. Jeri owns Jones Geological Services in Spring Grove, PA where he studies the geology of southeastern Pennsylvania. In his 38 years of research Jeri leads groups on field trips and acts as a consultant to several area quarries. He has traveled throughout the country conducting field trips and programs for all ages. He conducts classes on a regular basis for the OLLI program at Penn State-York. He previously taught at HACC-Gettysburg, York College of Pennsylvania and Messiah College. His interests include the mining history, geologic history, groundwater resources and southeastern Pennsylvania earthquakes. He has authored four books, narrated a geologic education video series and written numerous articles.
