BTC Report 07 1901 Plate 10: East Boston Tunnel Excavation (Massachusetts) Andaman and Nicobar Islands Size: 29" wide x 34"

Size: 29" wide x 34" high

South Hanson Depot

ID: 22133

ID: 2025030331

5" highID: 2022111581Collection: WardMaps LLCAtlas: Orange County

BTC Report 07 1901 Plate 10: East Boston Tunnel Excavation (Massachusetts) Andaman and Nicobar Islands Size: 29" wide x 34"Subject: East Boston Tunnel (Now MBTA Blue Line) Publisher: Boston Transit Commission Type: Print, Photograph Size: 9" wide x 6" high ID: BIT16680 Collection: WardMaps LLC Atlas: Boston Transit Commission Annual Report 07 1901 Boston in Transit Book Figure 5. 15 Digging the East Boston Tunnel, 1901 Tunnel diggers pause inside of the pressurized portion of the dig. The roof shield, the top of which is concealed behind roof beams, shelters the workers