Photograph as originally submitted to
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Photographer: Allen C. Browne
Taken: October 13, 2012
Caption:
Plan | Additional Description: Six air shafts along the right side provided ventilation.
Close-up of image on markerSubmitted: July 9, 2013, by Allen C. Browne of Silver Spring, Maryland.
Database Locator Identification Number: p246869
File Size: 0.470 Megabytes
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