No Copyright - United States
No known copyright restrictions.
No known restrictions on use.
Notes:
Title supplied by cataloger.
Print in album volume MDWSC, Contract 14, Wachusett-Coldbrook Tunnel, Tunnel East and Shaft 1, Volume 1, Chief Engineer set
Typed on back: Shaft 1, concrete lining in circular tunnel section at Sta. 23+00 looking west. Platform in center is used as runway for side dump cars carrying concrete.
Notes (acquisition):
Massachusetts Metropolitan District Commission; Massachusetts Department of Conservation and Recreation