1992 census of mineral industries.

Mode of access: Internet.

America's role in the world coal export market : hearing before the Subcommittee on Energy and Mineral Resources of the Committee on Energy and Natural Resources, United States Senate, Ninety-seventh Congress, first session ...

Item 1040-A, 1040-B (microfiche).

1982 census of mineral industries.

[1] Subject series--[2] Industry series--[3] Geographic area series.