TY  - RPRT
TI  - Extent and frequency of inundation of Schuylkill River flood plain from Conshohocken to Philadelphia, Pennsylvania
AU  - A. T. Alter
PY  - 1966
DO  - 10.3133/ofr662
UR  - https://pubs.usgs.gov/publication/ofr662
ID  - ofr662
ER  -