Sec.C Dorchester Tunnel Canvass of Bids Sewer work near Blue Hill Ave. Station Mattapan Section E, dorchester Tunnel Canvass of Bids, contract 538 Foundry St. Section H Dorchester Tunnel, canvass of bids Stairs to Chauncy St. Concrete cylinder after testing in salt water Section G Dorchester Tunnel, canvass of bids Section F Dorchester Tunnel, canvass of bids Rear of 133 Dorchester Ave. 137 Dorchester Ave. crack in building Canvass of bids, sec.J Dorchester Tunnel contract 602 South Station under DRT sec. northerly R.R. Prop line looking easterly from Dorchester Ave. Part of Green Dragon Building, at ca. 30 Washington Canvass of bids, sec.E Webster St. side of building on s.e. corner of Webster + Lewis Sts. Looking northerly from southerly end of sec.A, EBT Showing bridge and water pipe Maverick Sq. on n. line of Sumner St. Old reservoir in Maverick Sq., EB east side near Sumner St. Northerly end of sec.B, EBT, looking northerly Old reservoir in Maverick Sq., W. side near Lewis St. 10" pipe sewer E. side Tremont St. near LaGrange St. Showing space between subway and 30" water pipe , Tremont St. east side between Boylston and LaGrange Sts., sec 4, Subway 30" water pipe in front of Hotel Touraine, Tremont St. 10" pipe sewer E>.side Tremont St. sec. 4, near LaGrange St. Showing an unsupported portion on 10" sewer near sta. 1+50, Sec 4, subway 30" water pipe sec.4 subbway e. side Tremont St. between Boylston + LaGrange Sts. Looking northerly on sec.A, EBT, from Sumner St. Sec. A.E.B.T. looking northerly form Sumner St. Looking southerly on sec.A from top of arch near sta.2+14 Shaft of sec.B EBT near Webster St. Looking across shaft at northerly end of sec.B, EBT 30" water pipe in front of the Torraine looking south Looking southerly on sec.A, EBT from top of arch of exposed section Looking northerly on sec.A, EBT Looking northerly on sec.A, EBT Showing arch near Sumner St., E.B., looking south, sec.A, EBT Sec.A, Maverick Sq.- taken from west side Boilers for BSE in connectionwith air compressors on sec.B, EBT Excavating machine used in constructing sec.A, EBT Looking southerly on sec.A, EBT from bridge at Sumner St. Excavating machine, sec.A, EBT looking south Excavating machine, sec.A, EBT looking south Interior of sec.A, EBT looking north Incline sec.A, EBT Maverick Sq. View of 1/2 of rear end of shield for sec.B, EBT Changes in subway near Pleasant St. looking northerly Front view of roof shield for sec.B, EBT Looking north on Washington St. from Winter St.