TY - RPRT TI - Effects of agricultural best-management practices on the Brush Run Creek headwaters, Adams County, Pennsylvania, prior to and during nutrient management AU - M. J. Langland AU - D. K. Fishel PY - 1996 DO - 10.3133/wri954195 UR - https://pubs.usgs.gov/publication/wri954195 ID - wri954195 ER -