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Metalliferous black shales and related ore deposits : proceedings, 1989 United States Working Group

Denver, CO : U.S. Geological Survey, Books and Open-File Reports Section, 1991. 1991

Metalliferous black shales and related ore deposits : program and abstracts : 1988 meeting of the Un

International Geological Correlation Programme. Project 254. United States Working Group.
Washington : Dept. of the Interior, U.S. Geological Survey : Free on application to the Books and Open-File Services Section, U.S. Geological Survey, 1989. 1989

Petrographic descriptions of selected rock specimens from the Meade Peak Phosphatic Shale Member, Ph

Johnson, Edward A. (Edward Allison), 1940-
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007. 2007

Digital aeromagnetic data and derivative products from a helicopter survey over the town of Blanca a

Bankey, Viki.
Reston, Va. : Dept. of the Interior, U.S. Geological Survey, 2004. 2004