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Notes:
Title supplied by cataloger.
Print in album volume MDWSC, Contract 17, Wachusett-Coldbrook Tunnel, Tunnel West and Shaft 8, Volume 2, Chief Engineer set
Typed on back: Concrete plant under construction at Shaft 7, looking toward shaft from top of spoil bank. Platform for drag line over primary crusher in foreground. Screen support with secondary crusher underneath in the rear. Gallery for belt conveyor for aggregate at right. Blacksmith shop at far end of gallery will be used as cement shed.
Notes (acquisition):
Massachusetts Metropolitan District Commission; Massachusetts Department of Conservation and Recreation