Wallkill pressure tunnel. View showing completed concrete side-wall. Note key in concrete. Contract 47. June 7, 1911.
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")