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Old Town Alexandria [01]
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Old Town Alexandria [03]
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Old Town Alexandria [02]
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Mianus River Boat & Yacht Club
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Thomas J. Hatem Memorial Bridge
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Triborough Bridge
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Harlem River Yard Power Station
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Hell Gate Bridge
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Astoria Generating Station
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Triple Crossing area [02]
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Triple Crossing area [01]
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Green Line train crosses bridge over Paint Branch Trail
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Freight train on CSX Cumberland Subdivision track
Pedestrian walkway on CSX Cumberland Subdivision bridge
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"TO HUDSON TUBES"
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World Trade Center PATH station
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Philadelphia & Reading Railroad Bridge [01]
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Philadelphia & Reading Railroad Bridge [02]
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Philadelphia & Reading Railroad Bridge [03]
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Philadelphia & Reading Railroad Bridge [04]
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Philadelphia & Reading Railroad Bridge [05]
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Philadelphia & Reading Railroad Bridge [06]
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Philadelphia & Reading Railroad Bridge [07]
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Philadelphia & Reading Railroad Bridge [08]
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Philadelphia & Reading Railroad Bridge [09]
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River Line train in Trenton
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Vertical lift bridge across the Elizabeth River
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Train crossing Shepherdstown rail bridge [02]
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Train crossing Shepherdstown rail bridge [03]
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Train crossing Shepherdstown rail bridge [05]
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Train crossing Shepherdstown rail bridge [01]
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Train crossing Shepherdstown rail bridge [04]
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Spring Garden Swing Bridge [01]
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Spring Garden Swing Bridge [02]
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Spring Garden Swing Bridge [03]
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Spring Garden Swing Bridge [04]
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Spring Garden Swing Bridge [05]
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Spring Garden Swing Bridge [06]
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Spring Garden Swing Bridge [07]
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Spring Garden Swing Bridge [08]
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View of I-395 from WMATA bridge [01]
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View of I-395 from WMATA bridge [02]
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Philadelphia & Reading Railroad Bridge [10]
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Philadelphia & Reading Railroad Bridge [11]
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Philadelphia & Reading Railroad Bridge [12]
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Philadelphia & Reading Railroad Bridge [13]
Philadelphia & Reading Railroad Bridge [14]
Philadelphia & Reading Railroad Bridge [15]
Philadelphia & Reading Railroad Bridge [16]