TY  - RPRT
TI  - Water Resources Data, Pennsylvania, Water Year 1999. Volume 3. Ohio and St. Lawrence River Basins
AU  - R.W. Siwicki
PY  - 2000
DO  - 10.3133/wdrpa993
UR  - https://pubs.usgs.gov/publication/wdrPA993
ID  - wdrPA993
ER  -