Search

Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Enter your search term(s):
[advanced search]

4 results returned

Search results

• 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