TY  - RPRT
TI  - Water resources data Maryland and Delaware, water year 1990, volume 2: Monongahela and Potomac River Basins
AU  - R.W. James
AU  - J.F. Hornlein
AU  - R.H. Simmons
AU  - M.J. Smigaj
PY  - 1990
DO  - 10.3133/wdrmdde902
UR  - https://pubs.usgs.gov/publication/wdrMDDE902
ID  - wdrMDDE902
ER  -