@misc{indiciaef31cff0f0e83, title = {Extent and frequency of floods on the Schuylkill River near Phoenixville and Pottstown, Pennsylvania}, author = {William F. Busch and Lewis C. Shaw}, year = {1973}, doi = {10.3133/ofr7337}, url = {https://pubs.usgs.gov/publication/ofr7337}, note = {Source identifier: ofr7337} }