Union Sq. grade crossing s. side of Clark St. near Newton St., Somerville Union Sq. grade crossing, Somerville Union Sq. grade crossing concrete block wall, Somerville Union Sq. grade crossing E. side Prospect near Webster, Somerville Union Sq. grade crossing w. side Prospect St. near Concord Ave., Somerville Union Sq. grade crossing corner Clark and Newton Sts. Union Sq. grade crossing w. side Newton St. between Clark and Joseph Sts. Union Sq. grade crossing Union Sq. grade crossing rear of Clark St. Union Sq. grade crossing e. side of Webster Ave. near Union Sq. Union Sq. grade crossing w. side Emerson St. near Newton St. Union Sq. grade crossing e. side of Webster Ave. n. of Everett Ave. Union Sq. grade crossing corner Everett Ave. and Emerson St. Union Sq. grade crossing n. side of Everett Ave. opp. Emerson St. Union Sq. grade crossing w. side of Emerson St. near Everett Ave. E. side of Newton St. n. of Prospect St. W. side of Prospect St. n. of Prospect Place Prospect St. from Prospect Place W. side of Prospect Place W. side of Prospect Place n. of Prospect Place E. side of Newton St. n. of Emerson St. E. side of Newton St. at Prospect St. Somerville, Elm St. Dover St. and Meacham Rd. Somerville Somerville, buildings at corner of Dover St. and Meacham Rd. Somerville, Elm St. Somerville, Mystic Ave. Somerville, Mystic Ave. Somerville, Mystic Ave. Broadway, Somerville at Mt. Pleasant Somerville Ave. grade crossing Clarendon Hill carhouse, Somerville Clarendon Hill carhouse, Somerville Clarendon Hill carhouse Clarendon Hill carhouse Clarendon Hill carhouse Clarendon Hill carhouse excavation Somerville, Broadway, so. of Teele Sq. Somerville, Broadway, so. of Teele Sq. Somerville, Broadway, so. of Teele Sq. Somerville, Broadway, so. of Teele Sq. Somerville, Broadway Somerville, Broadway so. of Teele Sq. Somerville, Broadway so. of Teele Sq. Broadway, Somerville Holland St. crossing, Davis Sq., Somerville Clarendon Hill carhouse Somerville, west side Cross St., 2nd house from Medford St. Somerville Ave., Somerville - north side Somerville, 358-362 Somerville Ave., corner of Kilby St.