http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
presidential memorandum issued on November 3, 2015 entitled "Mitigating impacts on natural resources from development and encouraging related private investment"
hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fourteenth Congress, second session, March 15, 2016
Committee on Energy and Natural Resources,
United States. Congress. Senate. Committee on Energy and Natural Resources.