@misc{indiciaeceba630b0462, title = {Effects of low-level dams on the distribution of sediment, trace metals, and organic substances in the lower Schuylkill River basin, Pennsylvania}, author = {Thomas H. Yorke and John K. Stamer and Gary L. Pederson}, year = {1985}, doi = {10.3133/wsp2256b}, url = {https://pubs.usgs.gov/publication/wsp2256B}, note = {Source identifier: wsp2256B} }