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The Roosevelt deep drainage tunnel, Colorado
Explains methods of mining and blasting, the progress made, etc., in the construction of this tunnel in the Cripple Creek district. (1500 w.) (No. 9648)
The Roosevelt deep drainage tunnel, Colorado
Explains methods of mining and blasting, the progress made, etc., in the construction of this tunnel in the Cripple Creek district. (1500 w.) (No. 9648)
The Roosevelt deep drainage tunnel, Colorado
Eng Min Jour
Bagg, Jr., Rufus M. (Autor:in)
1909
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1909
|Carlton drainage tunnel, cripple creek, Colorado
Engineering Index Backfile | 1940
|The cripple creek drainage tunnel, Colorado
Engineering Index Backfile | 1910
|NTIS | 1951