U.S. National Archives:
Southwest Washington, D.C. With South End Of L'Enfant Plaza In Foreground, Southwest Freeway, Department Of Agriculture And Washington Monument Beyond, April 1973
U.S. National Archives:
Aeration Tanks At The Blue Plains Sewage Treatment Plant On The Anacostia River, April 1973
U.S. National Archives:
Bicyclist Holds Ears As Jet Aircraft Roars Off From National Airport. Nearby Are A Marina And A Waterfowl Sanctuary, May 1973
U.S. National Archives:
Small Powerboat On The Potomac River Above Mt. Vernon Virginia Stirs Up Silt, April 1973
U.S. National Archives:
Small Powerboat On Potomac River Above Mt. Vernon Churns Up Silt, April 1973
U.S. National Archives:
Site Of New Aeration Tanks And Existing Tanks At The Blue Plains Sewage Treatment Plant On The Anacostia River, April 1973
U.S. National Archives:
Bicyclist Holds Her Ears Against The Noise Of A Jet, May 1973
U.S. National Archives:
A Small Power Boat Makes A U-turn On The Potomac Just Above Mt. Vernon, April 1973
U.S. National Archives:
The Job Of Clearing Drift From The Potomac And Anacostia Rivers Is Done By The Army Corps Of Engineers, April 1973
U.S. National Archives:
View From A Helicopter: Light Traffic On The 14th Street Bridge Between The District And Virginia, April 1973
U.S. National Archives:
Sunset On The Potomac, September 1973
U.S. National Archives:
Aerial View Of The Pentagon And One Of Its Parking Fields, April 1973
U.S. National Archives:
Blue Plains Sewage Treatment Plant: Digging Out A New Site For The Expansion Of Treatment Facilities, April 1973
U.S. National Archives:
The Wake Of The Power Boat On The Anacostia River Is A Dirty Brown, April 1973
U.S. National Archives:
On The Bicycle Path Along The George Washington Parkway Which Is In The Glide Path To National Airport, April 1973
U.S. National Archives:
Metro Subway Construction On G St., N.W., Between 13th And 14th Streets, April 1973
U.S. National Archives:
Blue Plains Sewage Treatment Plant: Organic Pollutants From Raw Sewage Are Absorbed In These Secondary Tanks, April 1973
U.S. National Archives:
Silt-Laden Wake From A Power Boat On The Potomac, April 1973
U.S. National Archives:
Bicycling And Picnicking Along George Washington Parkway Which Is In The Glide Path To National Airport, April 1973
U.S. National Archives:
Metro Subway Construction On G St., N.W., Between 13th And 14th Streets, April 1973
U.S. National Archives:
A New Solids Processing Facility Is Being Built At The Blue Plains Sewage Treatment Plant, April 1973
U.S. National Archives:
Power Boats On The Polluted Potomac, September 1972
U.S. National Archives:
Marina On The Potomac In Southwest Washington, April 1973
U.S. National Archives:
The Blue Plains Sewage Treatment Plant Is Located Along The Anacostia River, November 1972
U.S. National Archives:
One Of The Bicyclists Holds Her Ears Against The Roar Of The Jet, Taking Off From National Airport, May 1973
U.S. National Archives:
Sunset On The Polluted Potomac, September 1973
U.S. National Archives:
Southwest Washington, D.C. With South End Of L'Enfant Plaza In Foreground, April 1973
U.S. National Archives:
Aerial View Of The Jefferson Memorial, April 1973
U.S. National Archives:
Aerial View Taken Over Southwest Washington Looking North, April 1973
U.S. National Archives:
Power Boats Moored On The Anacostia River. Siltation Discolors The River, April 1973
