Related
Wallkill pressure tunnel. View showing completed concrete side-wall. Note key in concrete. Contract 47. June 7, 1911.
Rondout pressure tunnel. Showing method of placing concrete in arch. ... Contract 12. April 21, 1911.
Wallkill pressure tunnel. Concrete for walls of chamber over Drainage shaft in place. ... Contract 47. November 10, 1911.
Wallkill pressure tunnel. End view of section of concrete lining with invert laid in foreground. Erection forms in progress in background. Contract 47. April 11, 1911.
Yonkers pressure tunnel. Finished lining in foreground. Placing concrete in side-walls and arch in background. ... Contract 54. May 1, 1912.
Wallkill pressure tunnel. Side-wall and arch forms in place ready for concrete, with inclined track to platform on level with top of side-wall. Contract 47. April 11, 1911.
Wallkill pressure tunnel. ... Contract 47. November 13, 1911.
Wallkill pressure tunnel. View showing full-section steel forms in place. The concrete is placed in one operation. Contract 47. June 8, 1911.
Rondout pressure tunnel. Section of steel interlining in place to reinforce concrete lining at a mud seam. Contract 12. October 20, 1911.
Wallkill pressure tunnel. View showing "trailing" method of placing concrete in side -walls and arch in one operation. Note high roof excavation. Contract 47. April 12, 1911.
Summary
Picryl description: Public domain image of a mining, coal mine, underground, free to use, no copyright restrictions.
Nothing Found.
Tags
water supply
new york state
new york
science industry and business library general collection
photographs of the catskill water supply system in process of construction
wallkill pressure tunnel
one operation
roof excavation
high resolution
new york n y board of water supply compiler
wallkill
pressure
tunnel
view
method
side
side walls
arch
operation
roof
excavation
contract
catskill
construction
new york public library
Date
1918
Contributors
New York (N.Y.). Water Supply Board, Compiler
Location
New York
Source
New York Public Library
Link
Copyright info
Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")