TY  - RPRT
TI  - Geohydrology and ground-water quality, Big Elk Creek Basin, Chester County, Pennsylvania, and Cecil County, Maryland
AU  - Ronald A. Sloto
PY  - 2002
DO  - 10.3133/wri024057
UR  - https://pubs.usgs.gov/publication/wri024057
ID  - wri024057
ER  -