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Mineral resources of the Arrastra Mountain/Peoples Canyon Wilderness Study Area, La Paz, Mohave, and

Gray, Floyd, author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1989. 1989

Mineral resources of the Big Horn Mountains Wilderness Study Area, Maricopa County, Arizona

Gray, Floyd, author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987. 1987

Mineral resources of the Mount Nutt wilderness study area, Mohave County, Arizona

Gray, Floyd, author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1990. 1990

Mineral resources of the Signal Mountain Wilderness Study Area, Maricopa County, Arizona

Gray, Floyd, author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1989. 1989

Mineral resources of the Warm Springs wilderness study area, Mohave County, Arizona

[Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, 1990. 1990

Mineral resources of the Warm Springs wilderness study area, Mohave County, Arizona

Gray, Floyd, author.
[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1990. 1990

Processed thematic mapper satellite imagery for selected areas within the U.S.--Mexico borderlands

Geological Survey (U.S.)
[Menlo Park, CA] : The Survey ; Denver, CO: For sale by the USGS Information Services, 2001. 2001