Horizontal trajectories of rotary-drilled holes
Electronic resources
Record details
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Physical Description:
remote
11 pages : digital, PDF file - Publisher: [Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1988]
Content descriptions
| General Note: | GPO Cataloging Record Distribution Program (CRDP). Title from title screen (viewed on July 23, 2008). |
| System Details Note: | Mode of access: Internet at the National Institute for Occupational Safety and Health web site. Address as of 7/23/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/ri9177.pdf; current access available via PURL. |
Search for related items by subject
| Subject: | Boring Coal mines and mining |
Additional Physical Form Titles
| Available in another form: | Horizontal trajectories of rotary-drilled holes |
