Sinking a large-diameter, concrete-lined access shaft Harold D. Roberts Tunnel, Colorado /

Main Author: Bolmer, R. L.
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

LocationCall Number: Status
CMU Storage Gov Pub I 28.27:8029 Available