http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Grounding electrical equipment in and about coal mines
1 online resource (24 unnumbered pages) : illustrations.
At head of title: United States Department of the Interior, Bureau of Mines.
As of 05/22/2017, GPO could not validate the distribution status of this title for the FDLP.
Report of investigations (United States. Bureau of Mines) ; 3734