[View of excavation.]

[View of excavation.]

[View of excavation.]

[View of excavation.]

[View of excavation.]

[Sixth Avenue El and street excavation.]

[Excavation site.]

[Excavation for Palazzo D'Italia International Building at Rockefeller Center.]

Madison Square Garden. N.Y.C. Excavating for Pool

West 38th Street and Eighth Avenue, southeast corner. Construction site. Demolition and excavation

[169th Street and Riverside Drive. Excavation for medical building dormitory.]

[Sixth Avenue El and street excavation.]

24 East 64th St. N.Y.C. View looking down into excavation for front wall

178th Street and Ft. Washington Avenue. View of trench excavation showing rock.

[Excavation for Palazzo D'Italia International Building at Rockefeller Center.]

[Street excavation.]

West 38th Street and Eighth Avenue. Southeast corner. Construction site. Demolition and excavation

178th Street and Ft. Washington Avenue. View of trench excavation showing rock. Fourth Church of Christ, Scientist.

Madison Square Garden. N.Y.C. Excavating for Pool

Penn. Depot Excavations.