File:1963 Cheyenne Mt, aerial view of const area.jpg
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Captions
Cheyenne Mountain Complex. North portal (elev. 7000 ft.). Plateau of exavation material that later became a parking lot. On the plateau the ready mounted domed sheeting that was used to reinforce the junction of tunnel B and 2 (B-2 intersection) with concrete. The hole at the top was made for a giant beam to lift the huge construction to the ceiling. Cheyenne Mountain, Colorado. USAF photo. URL: https://www.cheyennemountain.af.mil archive copy at the Wayback Machine
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This image or file is a work of a U.S. Air Force Airman or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image or file is in the public domain in the United States.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:37, 11 July 2010 | 1,880 × 1,485 (1.21 MB) | Tdrss (talk | contribs) | NORAD blast doors, Cheyenne Mountain, Colorado. USAF photo. URL: https://www.cheyennemountain.af.mil {{PD-USGov}} Category:North American Aerospace Defense Command |
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