http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Minerals health and safety in-house research, development, and demonstration in fiscal year
Division of Minerals Health and Safety Technology.
by staff, Division of Minerals Health and Safety Technology.
Continues Mine health and Safety in-house research, development and demonstration, issued by the Division of Mining Research--Health and Safety.
Information circular (United States. Bureau of Mines)
Mine health and safety in-house research, development and demonstration
Information circular (United States. Bureau of Mines) ; 8840
U.S. Bureau of Mines, Washington, D.C., 20241