Foreman Clark and two of the shaftmen, Arthur Roberts and Sam Mynatt, at the mouth of the test tunnel at Norris 532663

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Photo credit: © nsf / Alamy / Afripics
License: Licensed
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Keywords: 532663, archive, arthur, bygone, clark, , foreman, historic, history, mouth, mynatt, norris, roberts, sam, shaftmen, test, tunnel, usa, vintage