No Copyright - United States
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Notes:
Title supplied by cataloger.
Print in album volume MDWSC, Contract 14, Wachusett-Coldbrook Tunnel, Tunnel East and Shaft 1, Volume 3, Chief Engineer set
Typed on back: Concrete from which forms have just been removed, showing collapsed form on moving carriage and end of form against which concrete has been poured. Looking east in tunnel about 4500 feet west of Shaft 2.
Notes (acquisition):
Massachusetts Metropolitan District Commission; Massachusetts Department of Conservation and Recreation
Notes (publications):
Published in, MDWSC 1930 Annual Report, opposite p.10 (bottom)