TY - RPRT TI - Effects of specific land uses on nonpoint sources of suspended sediment, nutrients, and herbicides, Pequea Creek basin, Pennsylvania, 1979-80 AU - P. L. Lietman AU - J. R. Ward AU - T.E. Behrendt PY - 1983 DO - 10.3133/wri834113 UR - https://pubs.usgs.gov/publication/wri834113 ID - wri834113 ER -