File:Frenchman Flat Underground Garage 002.jpg

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Frenchman_Flat_Underground_Garage_002.jpg ‎(738 × 575 pixels, file size: 178 KB, MIME type: image/jpeg)

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Frenchman Flat. Entrance to the underground garage/shelter as it appeared in 1957.
This underground dual-purpose garage and mass shelter was built for the Federal Civil Defense Administration at a cost of $200,000. The shelter was constructed under three feet of earth with a reinforced concrete roof slab two feet, six inches thick, and the huge room measures about 90-feet square. A four-foot-thick reinforced 100-ton concrete blast door was also installed.

The Priscilla nuclear test subjected the garage to 30 pounds per square inch of overpressure.
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This image is available from the National Nuclear Security Administration Nevada Site Office Photo Library under ID 739.

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Author National Nuclear Security Administration / Nevada Site Office
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Public domain This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag.

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Date/TimeThumbnailDimensionsUserComment
current15:21, 2 September 2012Thumbnail for version as of 15:21, 2 September 2012738 × 575 (178 KB)Bomazi (talk | contribs)Higher resolution.
08:07, 2 September 2012Thumbnail for version as of 08:07, 2 September 2012360 × 280 (42 KB)Bomazi (talk | contribs){{Information |Description=This auto ramp leads down to a dual-purpose underground garage and large bomb shelter at Frenchman Flat. The Federal Civil Defense Administration facility was designed by Ammann & Whitney Consulting Engineers in 19...

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