http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geologic investigations of underground coal mining problems
by C.M. McCulloch, P.W. Jeran, and C.D. Sullivan.
Title from title screen (viewed on July 23, 2008).
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/ri8022.pdf ; current access available via PURL.
Report of investigations (United States. Bureau of Mines) ; 8022