Argo tunnel built 1893 to carry water out of mines at Argo Gold Mine & Mill. Idaho Springs, CO. On National Register.

Argo tunnel built 1893 to carry water out of mines at Argo Gold Mine & Mill. Idaho Springs, CO. On National Register.
Photo by Jim Steinhart © 2012, all rights reserved. (Ref: COIS19)

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Idaho Springs, CO
Captions List for Gold & Silver Mining Towns of Colorado

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