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Capitol Heights station entrance pylon
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Benning Road station entrance pylon
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Minnesota Avenue station entrance pylon
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Federal Center SW station entrance pylon [01]
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July 4 banner at Federal Triangle station
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Eastern Market station entrance pylon
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Sign on old Watha T. Daniel Library
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Chain marker in the snow
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Deanwood station [03]
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Cheverly station [03]
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Court House station [02]
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Court House station entrance pylon
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Entrance to Capitol South station
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Orange Line train at New Carrollton
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New Carrollton station [04]
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Orange Line going over a hill
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Payphones at Landover station
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Orange Line train arriving at Cheverly [02]
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Inbound platform at Cheverly station
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Platform edge tiles at Cheverly
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6000-Series railcar at Deanwood
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Platform pylon at Minnesota Avenue station [02]
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Platform pylon at Minnesota Avenue station [01]
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Eight-car mark at West Falls Church station
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Platform pylon at Dunn Loring station [04]
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Platform pylon at Dunn Loring station [03]
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MBTA State station
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Red Line platforms at Park Street station
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Security camera at Quincy Adams station
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MBTA Chinatown station
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Activated fire alarm pull station at MBTA Chinatown station
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Stair to Red Line at Park Street station
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Washington Metro chain marker
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Interior of Washington Metro car 4090
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Decommissioned Gamewell fire alarm box [01]
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Decommissioned Gamewell fire alarm box [02]
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Thunderbolt siren in Jessup Park [08]
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Thunderbolt siren in Jessup Park [07]
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Thunderbolt siren in Jessup Park [06]
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Thunderbolt siren in Jessup Park [05]
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Thunderbolt siren in Jessup Park [04]
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Thunderbolt siren in Jessup Park [03]
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Thunderbolt siren in Jessup Park [02]
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Thunderbolt siren in Jessup Park [01]
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Fire alarm at West Falls Church station [01]
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Fire alarm at West Falls Church station [02]
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Siren at Jefferson Volunteer Fire Company [01]
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Siren at Jefferson Volunteer Fire Company [02]
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Siren at Myersville fire department
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Thunderbolt siren on Waterloo Road [09]
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Thunderbolt siren on Waterloo Road [08]
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Thunderbolt siren on Waterloo Road [07]
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Thunderbolt siren on Waterloo Road [04]
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Thunderbolt siren in Jessup Park [10]
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Thunderbolt siren in Jessup Park [09]
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Thunderbolt siren on Waterloo Road [17]
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Thunderbolt siren on Waterloo Road [06]
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Thunderbolt siren in Jessup Park [14]
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Thunderbolt siren in Jessup Park [13]
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Thunderbolt siren in Jessup Park [12]
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Thunderbolt siren on Waterloo Road [14]
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Thunderbolt siren on Waterloo Road [03]
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Thunderbolt siren on Waterloo Road [02]
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Thunderbolt siren on Waterloo Road [05]
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Thunderbolt siren in Jessup Park [11]
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Thunderbolt siren on Waterloo Road [13]
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Thunderbolt siren on Waterloo Road [01]
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Thunderbolt siren on Waterloo Road [16]
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Thunderbolt siren on Waterloo Road [15]
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Thunderbolt siren on Waterloo Road [12]
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Thunderbolt siren on Waterloo Road [11]
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Thunderbolt siren on Waterloo Road [10]
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Water pressure gauge on a fire standpipe system [01]
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Water pressure gauge on a fire standpipe system [02]
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Water pressure gauge on a fire standpipe system [03]
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Old and new pull stations at Greenbelt station
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Federal Signal Model 2 siren at Verona Fire Department [03]
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Federal Signal Model 2 siren at Verona Fire Department [02]
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Federal Signal Model 2 siren at Verona Fire Department [01]
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Siren at Waynesboro Fire Department [01]