6 Matching Results

Results open in a new window/tab.

Control of Hookworm Infection at the Deep Gold Mines of the Mother Lode, California (open access)

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."
Date: 1917
Creator: Cumming, James G. & White, Joseph H.
Object Type: Report
System: The UNT Digital Library
Copper Mining in North America (open access)

Copper Mining in North America

From introduction: "In this paper are assembled and summarized many subjects relating to the copper industry in North America. Production of mines and districts, history of the industry in North America. Production of mines and districts, history of the industry, geology, of the principal deposits, and mining methods and costs are discussed."
Date: 1938
Creator: Gardner, E. D.; Johnson, C. H. & Butler, B. S.
Object Type: Report
System: The UNT Digital Library
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 (open access)

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.
Date: 1940
Creator: Julihn, C. E. & Horton, F. W.
Object Type: Report
System: The UNT Digital Library
Investigation of West Belt Copper-Zinc Mines, El Dorado, Amador, Calaveras, and Mariposa Counties, California (open access)

Investigation of West Belt Copper-Zinc Mines, El Dorado, Amador, Calaveras, and Mariposa Counties, California

Report issued by the U.S. Bureau of Mines on the West Belt copper-zinc mines. The properties and characteristics of the mineral composition are presented. The report includes tables and maps.
Date: February 1951
Creator: Wiebelt, Frank J.; Sanborn, W. C.; Trengove, R. R. & Ricker, Spangler
Object Type: Report
System: The UNT Digital Library
[News Script: Governor] (open access)

[News Script: Governor]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: May 12, 1969, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Contest] (open access)

[News Script: Contest]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: May 19, 1969
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library