EBT alterations; view at 53 State St. EBT alterations; view at 53 State St. EBT alterations; old conc. sewer at 53 State St. Concrete at 53 State St. EBT alterations - old sonc. sewer 53 State St. State St. - Devonshire St. sta. State St. - Devonshire St. sta.66 State St. - Devonshire St. sta.66 Westerly side - southerly view sta.2 EBTA - Mayor's Day Construction site with men working at an opening of a tunnel Looking east from sec.F, EBT Court St. sta. - exit to Scollay Sq. EBT alterations - no.15 Lewis St. EBT alterations - passageway bet. 13-15 Lewis St. Group at E. Boston Sears Building Sears Building Sears Building Concrete beams Concrete beams ledger Roller drawing secct.B shield Sears Building Sears Building Special concrete beams ledger Woodblock, paving plant at general yard Cutting rail with torch Cletrac tractor, Brighton Cletrac tractor, Brighton Cletrac tractor, Brighton Cletrac tractor, Brighton Cletrac tractor, side view Cletrac hauling road scraper Tractor, hauling portable truck Tractor, hauling protable truck Tractor hauling rail Scoop conveyor loading truck Scoop conveyor loading truck Koetiring Conveyor Machinery General yard untreated sawed ties, air seasoning, tie treating plant Adzing and loading ties tie treating plant general yard Treated hewn ties, area c, tie treating plant General yard Tie treating plant Tie treating plant Tie treating plant Tie-treating plant Group of workers standing in front of a fence, with buildings in the background Group photo of ladies in coats & hats