Fields Corner Station, condition of concrete at Busway Fields Corner Station, condition of concrete in Busway Cedar Grove passageway at 39 Hillsdale St. Cedar Grove Station passageway at 34 Hillsdale St. Cedar Grove Station passageway at 34 Hillsdale St. Cedar Grove Station passageway at 34 Hillsdale St. Cedar Grove Station passageway at 34 Hillsdale St. Cedar Grove Station passageway at 34 Hillsdale St. Cedar Grove Station passageway at 34 Hillsdale St. Cedar Grove Station passageway at 34 Hillsdale St. Dorchester Rapid Transit, near National Car Co. Dorchester Rapid Transit, near National Car Co. Dorchester Rapid Transit, near tunnel entrance Dorchester Rapid Transit, near tunnel entrance Savin Hill underpass Savin Hill underpass Dorchester rapid transit, Savin Hill underpass] Asmont Station, Headhouse Asmont Station, Headhouse Valley Road stairs Valley Road stairs Valley Road stairs Dorchester Rapid Transit Concrete wall Dorchester RT high speed trolley concrete Dorchester concrete Dorchester high speed Trolley D.R.T. concrete Dorchester High Speed Trolley, concrete Columbia Station Columbia Station Columbia Station Columbia Station Columbia Station Columbia Station Columbia Station Columbia Station Columbia Station Building with broken windows and a fence, probably on either Silver St. or Dorchester Ave. Close up view of right side of Hunt-Spiller Manufacturing Corporation building, probably 383 Dorchester Ave. Close up view of right side of Hunt-Spiller Manufacturing Corporation building, probably 383 Dorchester Ave. Close up view of right side of Hunt-Spiller Manufacturing Corporation building, probably 383 Dorchester Ave. Construction of a wall near a bridge, probably Dorchester Ave bridge Construction of a wall near a bridge, probably Dorchester Ave bridge Demolition of Hunt-Spiller Manufacturing Coporation building, Dorchester Ave. Frontal view of windows and a door with a drainpipe in the center, probably on Dorchester Ave. Hunt-Spiller Manufacturing Corporation building, left side, probably at 383 Dorchester Ave Hunt-Spiller Manufacturing Corporation building, left side, probably at 383 Dorchester Ave Hunt-Spiller Manufacturing Corporation building, right side, probably at 383 Dorchester Ave Fields Corner Incline to Dorchester Ave., Trolley Pole Boring machine in Channel between Boston and E. Boston