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~ THE BUREAU OF MINES <br />of the <br />STATE OF COLORADO, <br />Denver, U.S.A. <br />T. J. Dalzell, --- Commissioner of Mines. <br />C O L O R A D 0. <br />ldino Reports Piled by Inspectors, <br />i' <br />For the Yoar 1910. <br />vol. 12. <br /> <br />•,. <br />i <br />~w <br />