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Pitchblende Deposits at the Wood and Calhoun Mines, Central City Mining District, Gilpin County, Colorado

Description: From introduction: The purpose of this work was to determine the distribution and reserves of pitchblende in the veins. These particular mines were selected because the other mines that had produced pitchblende in the east were either inaccessible, or accessible under such adverse conditions as to make detailed mapping impracticable.
Date: October 1950
Creator: Moore, Frank B. & Butler, C. R.
Item Type: Refine your search to only Report
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