east test shaft

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Hudson pressure tunnel. View around the East test-shaft on east side of Hudson river. Shaft sunk by Board of Water Supply forces.  April 27, 1910.

Hudson pressure tunnel. View around the East test-shaft on east side o...

Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description

Hudson pressure tunnel. View looking east across Hudson river towards Breakneck mountain with plant at East test-shaft at base of mountain. Contract 90. May 28, 1909.

Hudson pressure tunnel. View looking east across Hudson river towards ...

Picryl description: Public domain image of a landscape with water, mountains, and sky, free to use, no copyright restrictions.