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BTC Annual Report 08, 1902 Plate 09: East Boston Tunnel Roof Shield Detail
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BTC Annual Report 08, 1902 Plate 10: East Boston Tunnel Roof Shield To Be Lowered
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BTC Annual Report 08, 1902 Plate 12: East Boston Tunnel Cross Section 61+90
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BTC Annual Report 08, 1902 Plate 13: East Boston Tunnel Cross Section 63+10
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BTC Annual Report 08, 1902 Plate 14: East Boston Tunnel Excavation at Fiske Building
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BTC Annual Report 08, 1902 Plate 16: East Boston Tunnel, State Street Structures
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BTC Annual Report 09, 1903 Plate 02: East Boston Tunnel
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BTC Annual Report 09, 1903 Plate 03: Excavating for Downtown Station on East Boston Tunnel
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BTC Annual Report 09, 1903 Plate 04: East Boston Tunnel, Roof Shield with Work Complete
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BTC Annual Report 09, 1903 Plate 05: East Boston Tunnel, Rear of Roof Shield
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BTC Annual Report 09, 1903 Plate 06: East Boston Tunnel, Rear of Roof Shield
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BTC Annual Report 09, 1903 Plate 07: East Boston Tunnel, Lower Air Locks
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BTC Annual Report 09, 1903 Plate 08: East Boston Tunnel, Upper Air Lock
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BTC Annual Report 09, 1903 Plate 09: Arch of Atlantic Avenue Station
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BTC Annual Report 09, 1903 Plate 11: East Boston Tunnel at State Street
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BTC Annual Report 09, 1903 Plate 12: Old State House Alterations
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BTC Annual Report 09, 1903 Plate 13: Devonshire Street Station Construction
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BTC Annual Report 09, 1903 Plate 14: Plan of Lobby in Old State House
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BTC Annual Report 09, 1903 Plate 15: East Boston Tunnel at Ames Building
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BTC Annual Report 09, 1903 Plate 16: East Boston Tunnel Cross Section at State Street
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BTC Annual Report 10, 1904 Plate 05: East Boston Tunnel Ventilating Chamber
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BTC Annual Report 10, 1904 Plate 06: Method of Ventilating East Boston Tunnel
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BTC Annual Report 10, 1904 Plate 07: East Boston Tunnel Cross Section Showing Ventilating Duct
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BTC Annual Report 10, 1904 Plate 08: East Boston Tunnel Showing Duct
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