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Investigation of Guadalupe mercury mine, Santa Clara County, Calif.

Investigation of the New Almaden mercury mine, Santa Clara County, Calif.

Investigation of the Atolia tungsten mines, San Bernardino County, Calif.

Chromite deposits :Sweetwater, Castro, Trinidad, New London, and Hilltop mines San Luis Obispo County, Calif.

Published Year

• 1950-1959 (4) *

Subject

• Mercury mines and mining--California--Santa Clara County (2)
• Chromite--California--San Luis Obispo County (1)
• Mine examination--California--San Bernardino County (1)
• Tungsten mines and mining--California--San Bernardino County (1)

Author

• Ricker, Spangler. (4) *
• Bedford, Robert H. (2)
• Smith, M. Clair. (1)
• Wiebelt, Frank J. (1)

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