TY  - RPRT
TI  - Ground-water levels in the Cockeysville marble of southern Chester County, Pennsylvania, 1983-84
AU  - Deloris W. Speight
PY  - 1985
DO  - 10.3133/wri854341
UR  - https://pubs.usgs.gov/publication/wri854341
ID  - wri854341
ER  -