1929 - 1933: Union Pacific Coal Company's No. 6 Mine in Hanna, Wyoming

Notes from Bob Leathers
The Union Pacific Coal Company's No. 6 underground mine in Hanna was opened in September of 1929. The mine operated for a little over three years and was closed in 1933. The mine produced 38,914 tons of coal with a peak of 10 workers over the life of the mine. There were no fatalities at the No. 6 mine.
Hanna No. 6 Mine
​The unmined one-quarter of the No. 1 Seam south of the big upthrow fault has been diamond drilled during recent years, disclosing a seam of coal 28 feet thick, of which the lower 10 to 12 feet appears to be clean enough to be mined successfully, and Mine No. 6 was opened in September, 1929, to work this area, with manway and hoisting slope development extending down the west flank of the basin 1,760 feet. Air courses were driven and connected to the air shaft; three strike entries were under development, and temporary outside loading equipment with slope hoist, fan, etc., installed, when it was decided to increase the development of No. 4 Mine, confining the production to that mine.  (UPCCEM, November 1940)

Union Pacific Coal Company's No. 6 Mine Maps

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Map of the Union Pacific Coal Company Mine No. 6 in Hanna, Wyoming (Hanna Basin Museum)
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Map of the Union Pacific Coal Company Mines in Hanna, Wyoming (Hanna Basin Museum)
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Map of the Union Pacific Coal Company Mines in Hanna, Wyoming (Hanna Basin Museum)
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Union Pacific Coal Company's No. 6 Mine in Hanna (Hanna Basin Museum)