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 2, Chief Engineer set
Typed on back: Shaft 4 west. Fine green bands (light) in feldspathic biotite schist (dark). The foliation dips 16degrees east.
Notes (acquisition):
Massachusetts Metropolitan District Commission; Massachusetts Department of Conservation and Recreation
Notes (publications):
Published in, MDWSC 1935 Annual Report, Appendix, between pp.16-17, plate 5 (bottom)