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Mining and milling operations of the Southwestern Graphite Co., Burnet County, Tex.

Alice Zinc Mine, Ozark County, Mo.

Churn drilling at the Capital and Greenland zinc mines, Lawrence County, Mo.

Methods and costs of mining fluorspar from a flat-bedded deposit at Cave-In-Rock, Ill.

Investigation of Douglas fluorite property, Pope County, Ill.

Investigation of mica deposits at the Victory, Jack Rabbit, Rainbow, and Midas mines, Custer County, S. Dak.

Published Year

• 1940-1949 (6) *

Subject

• Boring--Missouri--Lawrence County (1)
• Fluorspar industry--Illinois (1)
• Fluorspar--Illinois (1)
• Fluorspar--Illinois--Pope County (1)
• Graphite industry--Texas (1)
• Mica mines and mining--South Dakota--Custer County (1)
• Mica--South Dakota--Custer County (1)
• Zinc mines and mining--Missouri--Ozark County (1)
• Zinc ores--Missouri--Lawrence County (1)
• Zinc ores--Missouri--Ozark County (1)

Author

• Needham, A. B. (6) *
• Bishop, O. M. (1)
• Brichta, Louis C. (1)
• Krealmalmyer, K. L. (1)

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