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Investigation of the Boulder County tungsten district, Boulder County, Colo.

Mining investigations of manganese deposits in the Maggie Canyon area, Artillery Mountains region, Mohave County, Ariz.

Published Year

• 1950-1959 (2)

Subject

• Manganese mines and mining--Arizona (1)
• Manganese ores--Arizona (1)
• Tungsten--Colorado--Boulder County (1)

Author

• Everett, F. D. (2) *
• Hazen, S. W., (1)
• Kumke, Charles A. (1)
• Rose, C. K. (1)
• Warne, J. D. (1)

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