Contract No. 51, East Branch Baffle, Site of Quabbin Reservoir, Greenwich, Hardwick, quarry tunnel and type of dynamite used, east branch baffle, Hardwick, Mass., Sep. 16, 1936
Contract No. 51, East Branch Baffle, Site of Quabbin Reservoir, Greenwich, Hardwick, quarry tunnel and type of dynamite used, east branch baffle, Hardwick, Mass., Sep. 16, 1936
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Title:
Contract No. 51, East Branch Baffle, Site of Quabbin Reservoir, Greenwich, Hardwick, quarry tunnel and type of dynamite used, east branch baffle, Hardwick, Mass., Sep. 16, 1936
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Notes:
Title supplied by cataloger.
Print in album volume MDWSC, Contract 51, East Branch Baffle, Volume 2, Chief Engineer set
Typed on back: Quarry face and tunnel. Tunnel in general 3 feet wide and 3 1/2 feet high driven into face about 40 feet with a cross tunnel at end from 14 feet to 16 feet on either side. Cross tunnel loaded with about 5500 lbs. 60% dynamite and entrance filled and then fired.
Notes (acquisition):
Massachusetts Metropolitan District Commission; Massachusetts Department of Conservation and Recreation