Historical postcard "Prospecting in Leadville" General, Minerals March 11, 1909 Mines and Minerals: the early Survey While a number of brilliant men have in past years held the office of Colorado State Geologist, it is no disparagement to them to say that their work produced few tangible or lasting results. The fault was the state’s and her legislatures’ previous to that of 1907. Limited by niggardly…