Browse TRAIL Inventories

Pulmonary disease among miners in the Joplin district, Missouri, and its relation to rock dust in the mines :A preliminary report by

The mining and preparation of Tripoli

Sinking practice and costs at the Pim Shaft, St. Louis Smelting & Refining Works, National Lead Co., St. Francois, Mo.

Catalog of recorded exploration drilling and mine workings in the tri-state zinc-lead district, Missouri, Kansas, and Oklahoma :interim report


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