A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Big cross-cut tunnels of Clear Creek county, Colo.
Extracts from a recent article by Gen. Frank Hall, describing briefly the Newhouse, Burns-Moore, Honest John, "Big 40," Central and Lucania, Gold Valley, Commodore, and Alvarado tunnels. (3000 w.) (No. 74491)
Big cross-cut tunnels of Clear Creek county, Colo.
Extracts from a recent article by Gen. Frank Hall, describing briefly the Newhouse, Burns-Moore, Honest John, "Big 40," Central and Lucania, Gold Valley, Commodore, and Alvarado tunnels. (3000 w.) (No. 74491)
Big cross-cut tunnels of Clear Creek county, Colo.
Min Wld
Newton, H.C. (author)
1906
Article (Journal)
English
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