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Siliceous Dust in Relation to Pulmonary Disease Among Miners in the Joplin District, Missouri

Description: From Introduction: "This report describes the lead and zinc deposits and the mining methods employed in the sheet-ground area of the Joplin district, Missouri, and discusses the causes and the methods of abating rock dust in the mines, the chemical and physical characteristics of the dust, and the quantities present in mine air."
Date: 1917
Creator: Higgins, Edwin; Lanza, A. J.; Laney, F. B. & Rice, George S.
Partner: UNT Libraries Government Documents Department

Mining and Milling of Lead and Zinc Ores in the Missouri-Kansas-Oklahoma Zinc District

Description: From Introduction: "This report of investigations carried on by the Bureau of Mines gives the methods used in mining and milling and indicates in some detail the conditions that affect the efficiency of those methods; it does not attempt to discuss the geology of the district, except incidentally, as this has been described in numerous reports by several geologists."
Date: 1918
Creator: Wright, Clarence A.
Partner: UNT Libraries Government Documents Department