The tunnel's North Entrance is actually the main access for what was once a 1000-bed hospital. The inscription on top of the arch identifies the U.S. Army unit that created this tunnel complex.The tunnel's North Entrance leads into what was once a 1000-bed hospital. The inscription on top of the arch identifies the U.S. Army unit that created this tunnel complex. They worked on the tunnel from 1922 to 1932.
A close-up shot of the Corps of Engineers' insignia. This was before it was painted over several years agon.
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