Effect of a surface borehole on longwall gob degasification (Pocahontas No. 3 Coalbed) /
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Author / Creator: | Moore, T. D. |
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Imprint: | [Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1972] |
Description: | 9 pages : digital, PDF file. |
Language: | English |
Series: | Report of investigations ; 7657 Report of investigations (United States. Bureau of Mines) ; 7657. |
Subject: | |
Format: | E-Resource U.S. Federal Government Document Book |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/7243838 |
Item Description: | Title from title screen (viewed on July 18, 2008). |
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Physical Description: | 9 pages : digital, PDF file. |
Format: | Mode of access: Internet at the National Institute for Occupational Safety and Health web site. Address as of 7/18/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/ri7657.pdf; current access available via PURL. |