TY  - RPRT
TI  - Drought-sensitive aquifer settings in southeastern Pennsylvania
AU  - Tammy M. Zimmerman
AU  - Dennis W. Risser
PY  - 2005
DO  - 10.3133/sir20055169
UR  - https://pubs.usgs.gov/publication/sir20055169
ID  - sir20055169
ER  -