Material properties affecting the stability of a 50-year-old rock dump in an active mine [electronic resource] / D.R. Tesarik and R.W. McKibbin.
Imprint
Pittsburgh, PA : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory, [1999]
Mode of access: Internet at the National Institute for Occupational Safety and Health web site. Address as of 7/11/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/ri9651.pdf; current access available via PURL.
Note
Title from title screen (viewed on July 11, 2008).