Difficulties encountered in construction of Hagans tunnel.
Tunneling under Cumberland mountain
Earth Mover
Earth Mover ; 17 , n 7 ; p 7-11
1930
5 pages
12 Figs.
Article (Journal)
English
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The Cumberland electrolytic process
Engineering Index Backfile | 1916
NTIS | 1972
COASTAL SHIPPING IN CUMBERLAND, 1680–1740
Taylor & Francis Verlag | 2006
|Water control at Cumberland Gap
Tema Archive | 1994
|