Browse TRAIL Inventories

Sullivan copper mine, Cochise County, Arizona

Zonia Copper Mine, Yavapal County, Ariz.

Mining and milling methods at San Xavier mine, the Eagle-Picher Mining & Smelting Co., Pima County, Ariz.

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


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