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, Reference set
Typed on back: Shows intrusive relation of granite (light portion) and schist (dark portion) in east tunnel Shaft 2 Sta. 119+70.
Notes (acquisition):
Massachusetts Metropolitan District Commission; Massachusetts Department of Conservation and Recreation