EBT alterations - easterly side - southerly loop sta. 9 EBT alterations - westerly side - southerly loop - sta. 9 Westerly side of Maverick Sq. looking northerly from sta. 1 + 30 Westerly side of Maverick Sq. looking northerly from sta. 1 + 00 EBT alterations - old 2ft. diameter sewer westerly side of Chelsea St. station EBT alterations - westerly side Maverick Sq. EBT alterations - corrugated casing, shed 74 on Lewis St. EBT alterations - corrugated casing, shed 74 on Lewis St. EBT alterations - corrugated casing, spiral stairway - shed 74 on Lwis St. EBT alterations - exc. sta.2 easterly side Maverick Sq. EBT alterations - exc. sta.2 + 50 westerly side Maverick Sq. EBT alterations - driving sheeting - westerly side - Chelsea St. sta.95 EBT alterations - southerly view of arch at sta.2, Mavewrick Sq. EBT alterations - easterly side - Chelsea St., northerly view from sta. 95 Excavation for Maverick Sta., E. Boston Excavation for Maverick Sta., E. Boston EBT alterations - piles - shed 74 on Lewis St. EBT alterations - foundation wall shed 78 on Lewis St. EBT alterations - crack in parapet 23' from easterly - sheds 25-26 EBT alterations - crack in parapet 20 from easterly - sheds 25-26 EBT alterations - piles - no.5 Lewis St. EBT alterations - crack in southerly wall (Lewis St.) EBT alterations - piles under no.5 Lewis St. EBT alterations - brick arched sewer with wooden invert - Chelsea St. core northerly EBT alterations - placing beam under shed 78 on Lewis St. EBT alterations - placing beam under shed 78 on Lewis St. EBT alterations - exc. shed 74 on Lewis St. Core exc. northerly end of Chelsea St. EBT alterations - core exc. northerly end of Chelsea St. EBT alterations - Gen. Edwards EBT alterations - Gen. Edwards (addressing work men in Maverick Sq.) Gen. Edwards in Maverick Sq. - EBT alterations Gen. alterations - Gen. Edwards Gen. Edwards + trans dep. officials viewing EBT alterations Gen. Edwards + trans dep. officials viewing EBT alterations Gen. Edwards + trans dep. officials viewing EBT alterations EBT alterations - earth stratum in core Chelsea St. sta. 97 EBT alterations - shed 74 EBT alterations - underpinning shed 78 on Lewis St. Southeasterly side - Maverick Sq. sta.3 Sec. on westerly side Maverick Sq. sta.2 EBT alterations - Chelsea St. core - sta.96 EBT alterations - Chelsea St. core - sta.96 EBT alterations - Chelsea St. core - sta.96 EBT alterations - Chelsea St. core - sta.96 EBT alterations - southerly loop - easterly side sta.9 EBT alterations - westerly side Maverick Sq. sta.3 EBT alterations - exc. easterly side Maverick Sq. sta.2 EBT alterations - back filling - easterly side Maverick Sq. EBT alterations - southerly loop sta.9 easterly side