TY  - RPRT
TI  - A strategy for delineating the area of ground-water contribution to wells completed in fractured bedrock aquifers in Pennsylvania
AU  - D. W. Risser
AU  - G. J. Barton
PY  - 1995
DO  - 10.3133/wri954033
UR  - https://pubs.usgs.gov/publication/wri954033
ID  - wri954033
ER  -