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Blue-Ledge copper-zinc mine, Siskiyou County, Calif.

Investigation of the Minah lead-silver mine, Jefferson County, Mont.

Preliminary investigation of the Red Flats nickel deposit, Curry County, Oreg.

Exploration and utilization studies :John Day chromites, Oregon

Preliminary investigation of the Takilma-Waldo copper district, Josephine County, Oreg.

Published Year

• 1940-1949 (2)
• 1950-1959 (3)

Subject

• Chromite--Oregon--Grant County (1)
• Chromium ores--Oregon--Grant County (1)
• Copper mines and mining--California--Siskiyou County (1)
• Copper ores--Oregon--Josephine County (1)
• Lead mines and mining--Montana--Jefferson County (1)
• Nickel ores--Oregon--Curry County (1)
• Silver mines and mining--Montana--Jefferson County (1)
• Zinc mines and mining--California--Siskiyou County (1)

Author

• Hundhausen, R. J. (5) *
• Banning, Lloyd H. (1)
• Banning, Lloyd Harold, (1)
• Harris, Henry M. (1)
• Kelly, Hal J. (1) *
• Lorain, S. H. (1)
• McWilliams, J. R., (1)

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