UNT Libraries Government Documents Department - 2 Matching Results
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- Control of Hookworm Infection at the Deep Gold Mines of the Mother Lode, California
- From Introduction: "This report presents of an investigation of hookworm infection in the deep gold mines of the Mother Lode, California. In this investigation 1,440 miners of Mother Lode have been examined for hookworm infection; 444 miners were found to be infected; and 91 miners have taken the treatment and have gotten rid of the infection."
- Mineral Industries Survey of the United States, California: Tuolumne and Mariposa Counties, Mother Lode District (South). Mines of the Southern Mother Lode Region, Part 2 -- Tuolumne and Mariposa Counties
- Report issued by the Bureau of Mines over mining operations in the southern Mother Lode Region of California. A review of this area is presented, and discussed. This report includes tables, illustrations, and photographs.