TY - RPRT TI - Evaluation of agricultural best-management practices in the Conestoga River headwaters, Pennsylvania; description and water quality of the Little Conestoga Creek headwaters prior to the implementation of nutrient management AU - D. K. Fishel AU - M. J. Brown AU - K. M. Kostelnik AU - M.A. Howse PY - 1992 DO - 10.3133/wri904131 UR - https://pubs.usgs.gov/publication/wri904131 ID - wri904131 ER -