TY  - RPRT
TI  - Geology and hydrology of western Crawford County, Pennsylvania
AU  - George R. Schiner
AU  - John T. Gallaher
PY  - 1978
DO  - 10.3133/ofr78204
UR  - https://pubs.usgs.gov/publication/ofr78204
ID  - ofr78204
ER  -