Frontal view of one house and side view of another, probably on Dexter St or Dexter Pl Frontal view of one house and side view of another, probably on Dexter St or Dexter Pl Frontal view of two houses, probably on Dexter St. or Dexter Pl. Gate between two brick buildings Grid laid for building track Group of men in bowler hats on the other side of a wrought iron fence Group of workers excavating in a tunnel Group of workers standing in a wrought-iron gate between two stone columns Group photo on a grassy hill Incline for teaming earth from secs., looking northerly Incline for teams from sec. 10 under old B&M station Incline for teams from sec. 10 under old B&M station Incline in front of Hotel Thorndike, looking down the tunnel, Boylston Street, sec.5, Boston, Mass., 1914 Incline in front of Hotel Thorndike, side view, sec. 5, Boylston Street, Boston, Mass., 1914 Incline showing entrance to tunnels Industrial building with scaffolding and large pipes on the side of the building Inside a covered walkway, looking out toward stairs Interior construction site with men working around large cement blocks Interior of a station, showing stairs and part of the platform Interior of an above-ground station, showing the platform and a row of windows along the right Interior of wooden structure Interior ofa tunnel under construction, showing wood and steel framework and stone foundation Land between subway and railroad sec.2, showing pile of debris in the foreground Land between subway and railroad sec.2, showing top of subway structure Large construction site, showing tunnels, workers, and buildings with advetisements Large crack down the center of the railroad building, with construction rubble in front Large crack down the center of the railroad building, with construction rubble in front Large mounds of dirt or sand with tracks running to the right in foreground Large pillar with houses in the background Large rock, with four people at the base & a rooftop seen at the top Leak in 30" water pipe, sec 4 opposite Common St. looking southerly & down Long stable-like building Looking into a tunnel, with wooden trestles in the background & to the left Looking into tunnel, with naked lightbulb lit in upper right corner Looking left into arched tunnel entrance Looking northerly in western side wall trench, sec 9 Looking northerly showing temporary bridge for loading cars with earth from subway Looking out of two parallel subway tunnels Looking slightly left out of tunnel Looking southerly from sec 10 at half of sec 9 heading Machinery of Metropolitan Construction Co, in front of Wyman dentist office Men standing at construction site in front of J.C. Parker, druggist, 232 Tremont and Eliot Streets, Boston, Mass. Men working in a tunnel in the background, with beams in the foreground & to the right Men working in a tunnel with shovels Men working on moving dirt with wheelbarrow Metal fence in front of brick building Open construction site in a street, showing beams and workers Open trench spanned by a temporary wooden sidewalk, with workers, pedestrians, and a crane Operating room, Tower A Pedestrians walking over ventilation grates, including several children and a newsboy