TY - RPRT TI - Extent and frequency of floods on the Schuylkill River near Phoenixville and Pottstown, Pennsylvania AU - William F. Busch AU - Lewis C. Shaw PY - 1973 DO - 10.3133/ofr7337 UR - https://pubs.usgs.gov/publication/ofr7337 ID - ofr7337 ER -