TY - RPRT TI - Work plan for the Schuylkill River basin, Pennsylvania: Assessment of river quality as related to the distribution and transport of trace metals and organic substances AU - G.L. Pederson AU - Thomas H. Yorke AU - J. K. Stamer PY - 1980 DO - 10.3133/ofr80566 UR - https://pubs.usgs.gov/publication/ofr80566 ID - ofr80566 ER -