Trench on Main St. near Kendall Sq.

Brattle St. General Construction View

D.R.T. - Sec. View Toward Peabody Sq. From Ashmont Station

E.B. Tun. Alterations - Nly End, Shed 88 on Summer St.

New Steel Work at Thompson Sq.

Bldgs. #468-484 Boylston St.

Roof of Blacksmith's Shop Sullivan Sq. where Truck and B Fell Through Roof

Summer St. Buildings East Side Washington St.

D.R.T. - Sec. Nly. view from Peabody Sq.

Forest Hills Station

Castle St. Structure

New York and Boston Elevated Railways Footing Types (1905)

Dorchester Tunnel Sewer Alley off Norward St.