Occoquan Water Filtration Plant. Siltation Discolors The Occoquan River, April 1973

---

Size: 1718px × 1163px
Photo credit: © PF-(usna) / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., agency, archives, documerica, environmental, environmentalprotectionagency, historic, history, john, johnneubauer, nara:arcid=547260, national, neubauer, protection, usa, usnationalarchives