857 Kensico reservoir. Travelling stiff-leg derricks for handling masonry for the dam. Tracks supported by blocks forming facing of expansion joints. Contract 9. July 23, 1914 (NYPL b13814376-435385)

---

Size: 1816px × 2753px
Photo credit: © History and Art Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: