Sinking a large-diameter, concrete-lined access shaft Harold D. Roberts Tunnel, Colorado /
Main Author: | Bolmer, R. L. |
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Format: | Book |
Language: | English |
Published: |
[Washington, D.C.] :
U.S. Dept. of the Interior, Bureau of Mines,
1961.
|
Physical Description: |
iv, 70 pages, 2 unnumbered folded leaves of plates : illustrations ; 26 cm. |
Series: |
Information circular (United States. Bureau of Mines) ;
8029. |
Subjects: |
CMU Storage Gov Pub
Location | Call Number: | Status |
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CMU Storage Gov Pub | I 28.27:8029 | Available |