TY  - RPRT
TI  - Evaluation of agricultural best-management practices in the Conestoga River headwaters, Pennsylvania: Effects of nutrient management on quality of surface runoff and ground water at a small carbonate-rock site near Ephrata, Pennsylvania, 1984-90
AU  - D. W. Hall
AU  - P. L. Lietman
AU  - E. J. Koerkle
PY  - 1997
DO  - 10.3133/wri954143
UR  - https://pubs.usgs.gov/publication/wri954143
ID  - wri954143
ER  -