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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 2, Chief Engineer set
Typed on back: Shaft 4 east. Numerous small pegmatite lenses in chloritic biotite schist. The strike is north 30degrees west and the dip 22degrees northeast but 11degrees east in the tunnel section.
Notes (acquisition):
Massachusetts Metropolitan District Commission; Massachusetts Department of Conservation and Recreation