National Tunnel & Mines Company
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Product Details
National Tunnel & Mines Company
Certificate Type
Capital Stock
Date Issued
December 15, 1937
Canceled
Yes
Printer
American Bank Note Company
Signatures
Machine printed
Approximate Size
11" (w) by 7" (h)
Additional Details
NA
Historical Context
National Tunnel and Mines Company was a consolidation, in March 1937, of the two largest mining companies with mines in the Carr Fork section of the Bingham Canyon mining district. These two companies were the Utah Delaware Mining Company and the Utah Apex Mining Company.
Work began immediately on the new company's reason for the consolidation, to build a tunnel between the Bingham mines, and the site of the International smelter near Tooele. The tunnel was completed in July 1941, with a finished length of 4.5 miles.
Elton Tunnel
The Elton Tunnel was constructed by National Tunnel and Mines Company as an outlet for the underground copper and lead mines controlled by Anaconda Copper Company, which by the mid 1930s had assembled control of most of the underground mines in the west area of the Bingham pit. Collectively the underground mine was known as the Utah Delaware mine, and the Utah Apex mine. In 1948, Anaconda acquired full control and ownership in the tunnel company and the associated mines.
The Elton tunnel was 4-1/2 miles long (one of the longest railroad tunnels in the United States), and was constructed to eliminate pumping and hoisting costs, and provide reduced transportation costs, especially for the Utah Apex ores. This tunnel had its portal at the west base of the Oquirrh Mountains about 5,000 feet west of the Tooele Mill and Smelter. The tunnel connected at the Bingham end with the Rood Shaft and the Utah Apex workings in Carr Fork. The water flowing from the tunnel was used for irrigation of farms in the general Tooele area.
Costs of keeping the mines clear of water, and of transporting ore to the smelter were very high. When the World War II-era subsidies for lead, zinc and copper mining came to an end in 1946, the costs were too high for the company to remain in business. Bankruptcy came in September 1947, and all property and assets were sold to Anaconda Copper Mining in October 1948.
Anaconda shut down the entire National Tunnel and Mines property later that year.
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Additional Information
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