Sec.1, BH Tunnel from sta. 18, looking westerly Sec.1, BH Tunnel, looking westerly Tremont Street sidewalk from Hamilton Place to Winter Street, Boston, Mass., March 30, 1911 Tremont Street sidewalk from 127 to corner of Winter Street, Boston, Mass., March 30, 1911 Tremont Street sidewalk from Winter Street to Hamilton Place, Boston, Mass., March 30, 1911 Winter Street, sidewalk, north side, looking east from Tremont Street, Boston, Mass., March 30, 1911 Winter Street, sidewalk, south side, looking east from Tremont Street, Boston, Mass., March 30, 1911 Tremont St. sidewalk from St. Paul's to Winter Street, Boston, Mass., March 30, 1911 Store front at southeast corner Winter and Tremont Streets, Boston, Mass., April 6, 1911 Southeast corner Winter and Tremont Streets, Boston, Mass., April 6, 1911 Southeast corner Winter and Tremont Streets, Boston, Mass., April 6, 1911 Work on sec.2, BHT, in Boston Common Beacon Hill Tunnel, sec.1, looking west toward the turn arches Making pipe changes in Tremont St. near Winter St., sec.2, looking north Making pipe changes in Tremont St. near Winter St. Making pipe changes in Tremont St. near Winter St. Sec.2, Beacon Hill tunnel, roof beams sta.23 to sta.24 Roof beams sta.23 Roof beams sta.23 Section 1,BHT, looking southeasterly Looking northwesterly from sta 5 Sec.2, BHT changes being made for permanent support of part of east wall, Park St., subway station Looking southeasterly from sta.16+75 Looking southeasterly from sta.5 Looking southeasterly from sta.12 Showing sewer crossing pit for inclinde elevator opp. foot of Park St. Sec.2 showing sewer crossing pit for incline elevator opp. foot of Park St. Beacon Hill tunnel, looking n.w. from sta.13 Beacon Hill tunnel, sec.2, looking s.e from sta.21 Portal of Beacon Hill tunnel Beacon Hill tunnel, sec.1, looking n.w. Park St. Station, Beacon Tunnel, looking east Park St. Station, looking west bound Park St. Station, looking east Cambridge Subway exit in south bound platform of Park St. Station Cambridge Subway entrance from south bound platform of Park St. Station Cambridge Subway exit from south bound platform of Park St. Station Exit and entrance coverings, Tremont St. Exit and entrance coverings, Tremont St. Escalator, Park Street Station, Boston, Mass. Reno inclined elevator, Park Street Station, Boston, Mass. Main entrance stairway, Park St. station Stairway from north-bound platform, Park St. Station Stairway from south-bound platform, Park St. Station Park St. Station, Cambridge subway Buildings #32-36 Grove St. Buildings #34-38 Grove St. 78-82 Myrtle St. 83-85 Myrtle St. 84-86 Myrtle St.