TY  - RPRT
TI  - Water resources data, Pennsylvania, water year 1997. Volume 1: Delaware River basin
AU  - R.R. Durlin
AU  - W.P. Schaffstall
PY  - 1998
DO  - 10.3133/wdrpa971
UR  - https://pubs.usgs.gov/publication/wdrPA971
ID  - wdrPA971
ER  -