Measuring formation pressures and the degree of gas drainage in a large coalbed gas drainage field [electronic resource] / by David C. Oyler and Paul B. Stubbs.
Imprint
[Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1985]
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/ri8986.pdf; current access available via PURL.
Note
Title from title screen (viewed on July 23, 2008).
