Geologic Mapping in Southeastern Pennsylvania

Geologists mapping in Southeastern Pennsylvania.
| Geologist | Organization | Location |
| Hal Bosbyshell | West Chester University | Portions of the Bridgeport, Gap, Germantown, Malvern, Norristown, Marcus Hook, Philadelphia, and Valley Forge quadrangles, and all of the Media, Lansdowne, and West Chester quadrangles |
| Gale Blackmer | Pa. Geological Survey | Coatesville, West Grove, Parkesburg (with Carolyn Brown), and Pa. portion of the Newark West and Kennett Square quadrangles; a composite map of a portion of the Wilmington 30- by 60-minute quadrangle of southeastern Pennsylvania; and southern portions of Conestoga and Quarryville quadrangles, and the Pa. portion of the Wilmington North quadrangle |
| Carolyn Brown | Independent | Honey Brook, Parkesburg (with Gale Blackmer), New Holland, and a portion of Gap quadrangles |
| Rodger Faill | Pa. Geological Survey | Peach Bottom slate and adjacent rocks in southeastern York and southwestern Lancaster Counties, within the Conowingo Dam, Delta, Holtwood, and Wakefield quadrangles |
| William Kochanov | Pa. Geological Survey | Carbonate rock areas of the Ambler, Downingtown, Germantown, Malvern, Norristown, and Valley Forge quadrangles |
| Joe Hill | Bloomsburg University | Airville, Oxford and Pa. portion of the Bay View quadrangle, and portions of Fawn Grove, Holtwood, and Wakefield quadrangles |
| Lynn Marquez | Millersville University | Wagontown and Downington quadrangles |
| Gil Wiswall | West Chester University | Unionville and portion of the Downingtown quadrangle |

| Gale Blackmer, PaGS staff geologist, gathering data on outcrops of schist in the Parkesburg Quadrangle, Chester County. |
See also related research abstracts for southeastern Pennsylvania at our research page.
For more information, contact the Survey at 717–702–2017.

