Browse TRAIL Inventories

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

Mining Methods and Practices at the Iron King Mine, Shattuck-Denn Mining Corporation, Yavapai County, Arizona

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


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