EBT alterations - westerly side Maverick Sq. looking southerly EBT alterations - stub end single track storage northerly view from sta.1 EBT alterations - underpinning under no.1-3 Lewis St. EBT alterations - foundation wall shed no.88 on Lewis St. EBT alterations - foundation wall shed no.88 on Lewis St. 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 CB tunnel alternations - esc. station, westerly track EB tunnel alternations - general view shed 84-88 EB tunnel alternations - no.15 Chelsea St. EB tunnel alternations - rear no.15 Lewis St. Underpinning Lewis St. EBT alterations - no.7 to 13 Lewis St. EBT alterations - 1 to 7 Lewis St. EBT alterations - passageway to 15 Lewis St. EBT alterations - rear - 9 to 13 Lewis St. EBT alterations - northerly view from passageway easterly side, Lewis St. EBT alterations - northerly view of Lewis St. from passageway EBT alterations - northerly view of easterly side Chelsea St.