Map of San Juan, Colorado. (to accompany) Pocket Mining Atlas. Compiled From The Latest Official Surveys, And The Most Authentic Sources. Edwin Bolitho, Engineering and Mining Journal, New York, 1880. Price, $1.00 per copy. (on following page) Entered ... 1880 ... Washington, D.C., by Trask & Francis, Bankers ... 70 Broadway, New York ...
