Subway Ventilation Tremont St. near West St.

Emergency Truck

E. Boston N.E. from Porter St. Bridge

Chart BERy, Types of Bolted Frogs

S. Side of Pine St. near Washington St.

Summer St. Buildings East Side Washington St.

Cantilever Beams in Foundation just N. of Stoney Brook

Birdseye View of Enlargement of Park St. Station

Union Sq. Grade Crossing with West Side of Webster Ave. Opp. Union Glass Works

Forest Hills Temporary Bridge over Stony Brook

Boylston St. near Berkeley St. Traffic Conditions

975 - 981 Boylston St.

Union Sq. Grade Crossing E. Side of Concord Ave. at Prospect St.