This historical image was provided by the Center for Disease Control's (CDC), National Institute for Occupational Safety and Health (NIOSH). The photograph depicted three tunnel workers inside the Queens Midtown Tunnel, in Queens, New York, while the subterranean passageway was under construction. These men were working with the drill face in the South Tunnel of this subterranean network. Note that each was wearing a protective hardhat, but no gloves, filtered breathing masks, or ear plugs, though it cannot be determined from this image if these items were necessary. Two of the men were manipulating a pneumatic drill, possible to free some rocky obstacles encountered by the main drill bit, in order to facilitate the primary drilling activity.
CDC/ Barbara Jenkins, NIOSH
December 3, 2012
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