TY  - RPRT
TI  - Risk analyses for a water-supply system; Occoquan Reservoir, Fairfax and Prince William counties, Virginia
AU  - Robert M. Hirsch
PY  - 1978
DO  - 10.3133/ofr78452
UR  - https://pubs.usgs.gov/publication/ofr78452
ID  - ofr78452
ER  -