Rear of building s. side Lagrange St. corner of Washington St.

Rear of building over Lagrange St. entrance

Rear of buildings Washington St. near s. corner Lagrange St.

Underpinning Old South Building

Underpinning Old South Building

Stairway inclined elevators, State St. BT&S

Underpinning Old South Building

Underpinning Old South Building

Underpinning Old South Building

Underpinning Old South Building

Looking northerly in sec.4, Washington St. subway

Looking north in sec.4 BTS

Platform over subway for easterly track, sec.5

Looking south in sec.4

Looking northerly in sec.5, Washington St. tunnel

Looking northely in sec.5, Washington St. tunnel

Sec.5 at Winthrop Building

Washington St. at Milk St.

Sec.5 pipe crossing at School St. looking north

Easterly track sec.5

Sec.5, Washington St. tunnel

Looking north in sec.5, from near Water St.

Water pipe changes Washington St. and Adams Sq.

Water pipes, Washington St.

Photograph in connection with accident

Looking northerly in Adams Square, sec.8, Washington Street tunnel, Boston, Mass.

Laying 30" riveted steel water pipe Washington and Essex Sts.

Excavating for Portland St. sewer

Work on Portland St. sewer

Building #21 Portland St.

Building #21 Portland St.

Pipes in south State St., sec.6, Washington St. tunnel

Pipes in south State St., sec.6, Washington St. tunnel

Laying 24" water pipe in Endicott St.

Laying 24" water pipe in Endicott St.

Sample piece of tiling, sec.4, BT&S

Sample piece of tiling, sec.4, BT&S

Rear of #12 WashingtonSt. showing bad brickwork

Union St. side Madden's Restaurant #12 Washington St., Boston, Mass., July 17, 1906

Looking southerly in sec.5 Washington St. subway

South bound track, sec.5, Washington St. tunnel looking southerly

Cross-walk to Relief Station, Haymarket Sq.

Supporting statue in Adams Sq.

Connecting Washington Street tunnel with old subway at Haymarket Square, Boston, Mass.

Haymarket Sq. looking north

Supporting statue of John Adams, Adams Sq.

Looking easterly in Adams Sq.

Connecting Washington St. tunnel with subway Haymarket Sq. looking south

Looking north in Haymarket Sq. connecting Washington St. tunnel with subway

Somerville, buildings at corner of Dover St. and Meacham Rd.