TY  - RPRT
TI  - Water Resources Data, Pennsylvania, Water Year 1990. Volume 2. Susquehanna and Potomac River Basins
AU  - W.C. Loper
AU  - R.R. Durlin
AU  - W.P. Schaffstall
PY  - 1991
DO  - 10.3133/wdrpa902
UR  - https://pubs.usgs.gov/publication/wdrPA902
ID  - wdrPA902
ER  -