No Copyright - United States
No known copyright restrictions.
No known restrictions on use.
Notes:
Title supplied by cataloger.
Print in album volume MDWSC, Contract 4, 8 and 12, Coldbrook-Swift Tunnel Shafts 1, 2, 3, 4, 5, 6 and 7, Volume 1, Chief Engineer set
Typed on back: Tunnel at foot of Shaft 3 looking easterly, showing temporary timbering, track and pump.
Notes (acquisition):
Massachusetts Metropolitan District Commission; Massachusetts Department of Conservation and Recreation