EBT alterations - westerly side - Lewis St. EBT alterations - northeasterly side - Lewis St. station EBT alterations - westerly side Lewis St. sta.5 EBT alterations - general southerly view Lewis St. from sta.6 EBT alterations - westerly side Lewis St. - sta.5 Northerly view Lewis St. from sta. 10+50 EBT alterations - sta.9+00 Lewis St. EBT alterations - southerly view toward Maverick Sq. EBT alterations - northerly view westerly side - Chelsea St. from Maverick Sq. EBT alterations - eng. unloaded by cable mach. Lewis St. new + old roof construction northerly view from sta.6+00 EBT Alterations - gen. northerly view Chelsea St. from Sta.97 EBT Alterations - easterly side Lewis St. EBT Alterations - unloading engine by cable EBT Alterations - cracks - shed 14 to 20 on Lewis St. EBT Alterations - westerly side - Lewis St. sta. EBT Alterations - cracks sheds 14 to 20 on Lewis St. EBT Alterations - junct. Summer and Lewis Sts. EBT Alterations - paving westerly side - Maverick Sq. Sta.9+00 air ducts Sta.5 roof beams EBT alterations - sta.5 westerly side Lewis St. EBT alterations - general northerly view - Lewis St. from Marginal St. EBT alterations - sta.9 Lewis St. construction EBT alterations - sta.5 Lewis St. roof EBT alterations - support shed 84-D EBT alterations - underpinning - sheds 19-22 EBT alterations - Lewis St. sta.5 EBT alterations - Lewis St. sta.8 EBT alterations - Lewis St. EBT alterations - Lewis St., removing air chambers EBT alterations - general northerly view of Lewis St. from shed 19 EBT alterations - sheds no.19 to 22 Lewis St. EBT alterations - general northerly view - Lewis St. from shed19 EBT alterations - general northerly view - Lewis St. from shed19 EBT alterations - general northerly view - Lewis St. from shed19 EBT alterations - Lewis St. sta.8 EBT alterations - sta. 8 + 40 + existing tunnel westerly side of Lewis St. EBT alterations - Mayor's Day EBT alterations - Mayor's Day Street construction with a sign for tents and awnings in the background Building over stairway at westerly end of sec.C, EBT ... and bracing near sta.6+80 EBT looking southerly Looking northerly on sec.A, EBT from Webster St. bridge Concrete Beams Special concrete beams Special concrete beams Chemical analyses of cement used on EBT Sec.B, comparative tests of concrete for different mixtures EBT alterations - condition of floor - no. 17 Lewis St.