Report on the property of the Colorado Diamond Tunnel Silver Mining Co., Clear Creek County / by Theodore E. Schwarz. 1881.

Colorado Diamond Tunnel Silver Mining Company.

http://n2t.net/ark:/99166/w6xd91bn (corporateBody)

Denver Public Library

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Presentation about mining history in Colo. conducted in the Denver Public Library's Wyer Auditorium on August 8, 1974. Participants include Norman Blake, Black Hawk, Colo., Deputy Commissioner of Mines, Colo. Division of Mines and William "Bill" Russell, Central City, Colo. Mayor and editor-publisher of the Register Call newspaper. From the description of Mining in Colorado from gold rush days to oil shale, 1974 August 8 [sound recording]. (Denver Public Library). WorldCat record id:...

United States. Bureau of Mines

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"In response to the growing number of fatalities in the mining industry, the United States Bureau of Mines (USBM) was established in 1910 to promote improved safety in mining through research and training. The USBM provided information to the public on the minerals industry. In September, 1995, the Congress voted to abolish the USBM" (http://www.msha.gov/TRAINING/LIBRARY/BureauofMines.htm; accessed 10/26/2009). From the description of United States Bureau of Mines Map Collection, Bef...

Schwarz, Theodore E.

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Colorado mining engineer. From the description of Papers, 1876-1933. (Denver Public Library). WorldCat record id: 55025477 ...