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2 results returnedMining methods and costs at the Ground Hog Unit, Asarco Mining Co., Vanadium, New Mexico
Milling methods and costs at the Pecos Concentrator of the American Metal Co., Tererro, N. Mex.
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Subject
- Lead mines and mining--New Mexico (2) *
- Zinc mines and mining--New Mexico (2)
- Copper mines and mining--New Mexico (1)
- Mining engineering--New Mexico (1)
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