The Glengarry Mine site at 11,414 ft., Holy Cross Mining District. Middle Mountain has an elevation of 12,336 feet. From the Eagle County Assessment Roll 1891-92 p.8: "Glengary #4354, 5.166 acres, value $60; Hidden Treasure #4353, 4.596 acres, value $50." From the Eagle County Assessment Roll 1922. Transit Gold Mining Co. [Red Cliff School District 1 Holy Cross Mines] owned Glengary, Hidden Treasure and the Transit mines. Glengary was valued at...