TY  - RPRT
TI  - Water resources data for Pennsylvania, water year 1980--Volume 1. Delaware River Basin
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1981
DO  - 10.3133/wdrpa801
UR  - https://pubs.usgs.gov/publication/wdrPA801
ID  - wdrPA801
ER  -