TY - RPRT TI - Distribution and transport of trace substances in the Schuylkill River Basin from Berne to Philadelphia, Pennsylvania AU - J. K. Stamer AU - T.H. Yorke AU - G.L. Pederson PY - 1983 DO - 10.3133/ofr83265 UR - https://pubs.usgs.gov/publication/ofr83265 ID - ofr83265 ER -