Shaft sinking by rotary drilling / by D.H. Platt.
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| Online Access: |
Search for the full-text version of this title in HathiTrust |
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| Main Author: | |
| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington, D.C.] :
U.S. Dept. of the Interior, Bureau of Mines,
[1945]
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| Series: | Information circular (United States. Bureau of Mines) ;
7336. |
| Subjects: |
| Item Description: | At head of title: Department of Commerce--Bureau of Mines. No.7326-7350 issued bound together. Cover title. "September 1945." |
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| Physical Description: | 14 pages, 6 unnumbered leaves of plates : illustrations ; 27 cm. |
| Bibliography: | Includes bibliographical references (page 14) |
| Action Note: | committed to retain |