[17th Street and 4th Avenue: IRT East Side Line]
Cut-and-cover construction in pit at 17th Street and 4th Avenue in Manhattan, NY. View south from 12 feet east of west curb, 10 feet north of S.H.L. of 17th Street. Looking south and down into rock pit, which is about 6 feet above grade. Showing three workers looking down into pit from street level and another two workers inside pit.
1901
[17th Street and 4th Avenue: IRT East Side Line]
Cut-and-cover construction in pit at 17th Street and 4th Avenue in Manhattan, NY. View south from 12 feet east of west curb, 10 feet north of S.H.L. of 17th Street. Looking south and down into rock pit, which is about 6 feet above grade. Showing three workers looking down into pit from street level and another two workers inside pit.
Rock pit at 17th Street and Fourth Avenue (as Union Square East and Park Avenue South were then known), during the construction of the IRT Lexington Avenue Line, January 9, 1901.
The trees visible at upper right are in Union Square Park. Note the subterranean surveyor at the bottom of the image.