TY - RPRT TI - Hydrology and the hypothetical effects of reducing nutrient applications on water quality in the Bald Eagle Creek Headwaters, southeastern Pennsylvania prior to implementation of agricultural best-management practices AU - D. K. Fishel AU - M. J. Langland AU - M. V. Truhlar PY - 1991 DO - 10.3133/wri914006 UR - https://pubs.usgs.gov/publication/wri914006 ID - wri914006 ER -