TY  - RPRT
TI  - Evaluation of agricultural best-management practices in the Conestoga River headwaters, Pennsylvania: A summary report, 1982-90
AU  - Patricia L. Lietman
PY  - 1997
DO  - 10.3133/wsp2493
UR  - https://pubs.usgs.gov/publication/wsp2493
ID  - wsp2493
ER  -