City tunnel. Steel diaphragm at tunnel end of drainage drift showing 8-foot opening to drift. ... Contract 67. September 17, 1914.
Summary
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Tags
Date
1918
Contributors
New York (N.Y.). Water Supply Board, Compiler
Location
New York
Source
New York Public Library
Copyright info
Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")