http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Department of the Interior's final list of critical minerals for 2018 and opportunities to strengthen the United States' mineral security
hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, second session, July 17, 2018
Committee on Energy and Natural Resources,
1 online resource (iii, 115 pages) : illustrations.
United States. Congress. Senate. Committee on Energy and Natural Resources.