Occupation of surface by concrete mixer etc. south side Phillips St. east of Grove S. Surface occupation south side Phillips St. looking northely towards Grove S t. Hoisting engine in Grove St. south side of Phillips St. South side Phillips St. looking westerly towards Grove St. Occupation of surface by concrete mixer etc. opp 63 Phillips St. Surface occupation opp.63 Phillips St. Surface occupation north side Phillips St. looking easterly towards Grove S t. Looking northerly down Grove St. from Phillips St. Easterly side of Grove St. southerly from Phillips St. Temporary support of rear wall of building 61 Grove St. Looking southerly up Grove St. towards Phillips St. S.w. corner Phillips and Grove Sts. Forms for concrete arches under rear walls of buildings 61-63 Phillips St. Yard on #17 Grove St. Forms for concrete arches under rear walls of buildings nos.61-63 Phillips St. Shield for tunnel under Beacon Hill, Cambridge Con. Shield for tunnel under Beacon Hill, Cambridge Connection Shield for tunnel under Beacon Hill, Cambridge Connection Looking n.w. from back window of 63 Phillips St. across Grove St. Forms for westerly arch in place sta.1, tunnel under Beacon Hill Shield for tunnel under Beacon Hill, Cambridge Connection Shield for tunnel under Beacon Hill, Cambridge Connection Shield for tunnel under Beacon Hill, Cambridge Connection Shield for tunnel under Beacon Hill, Cambridge Connection Shield for tunnel under Beacon Hill Supporting s.w. corner of Aaron Krause's building 15 Grove St. S.w. corner building 15 Grove St. supported by steel needle bms. Construction of tunnel under s.w. cor. of building 17 Grove St. Support of ells of 30+32 Grove St. from yard in rear of 50 Phillips St. Support of ells of 30 to 32 Grove St. from yard in rear of 50 Phillips St. Support of ells of 30 to 32 Grove St. from yard in rear of 50 Phillips St. Excavation in yard back of 50 Phillips St. and under ells of 38-34 Grove St . Support of s.w. corner of building #17 Grove St. on roof of tunnel Looking south on top of tunnel roof in Grove Place Underpinning n.w. corner of building in rear of 50 Phillips St. and ells of 32-34 Grove St. Street occupation n.w. corner Phillips and Grove Sts. Phillips St. looking east from Grove St. Rear of 13-15 Grove St. Light shaft between 13+15 Grove St. looking west Shield for tunnel under Beacon Hill for Cambridge connection Shield for tunnel under Beacon HIll for Cambridge connection Shield for tunnel under Beacon Hill for Cambridge Connection Shield for tunnel under Beacon Hill for Cambridge Connection Shield for tunnel under Beacon Hill for Cambridge Connection Shield for tunnel under Beacon Hill for Cambridge Connection Shield for tunnel under Beacon Hill for Cambridge Connection Shield for tunnel under Beacon Hill for Cambridge Connection Shield to be used for tunnel under Beacon Hill for Cambridge Connection Part of shield to be used for tunnel under Beacon Hill N.e. cor. Anderson and Myrtle Sts.