TY  - RPRT
TI  - Development of a digital model of ground-water flow in deeply weathered crystalline rock, Chester County, Pennsylvania
AU  - Laurence J. McGreevy
AU  - Ronald A. Sloto
PY  - 1980
DO  - 10.3133/wri802
UR  - https://pubs.usgs.gov/publication/wri802
ID  - wri802
ER  -