Рет қаралды 1,233
Sitting at an elevation of 5200 feet, the Windpass showings were discovered in 1916 by Olive Johnson, T.H. Campbell and Oscar Hargen. During the next couple years, small shipments of high grade ore were taken from shallow workings. The Sweethome vein was discovered and staked in January 1923. Development work to the end of 1924 failed to prove continuity of the ore zones and the property closed. In 1933 the mine reopened. An 2.5 mile aerial tram line was installed between the Windpass workings and the lake, where a 50 ton per day mill was built. Milling began in March 1934. By 1939 the Windpass underground workings consisted of approximately 1500 feet of drifts and cross-cuts in the main 200 level. 2 incline shafts, the Pioneer and Telluride, we’re sunk from the surface to the adit level. An internal shaft was sunk to the 900 level and drifting carried out east and west on each level. The Sweethome vein was developed by a 120 foot inclined shaft at 30 degrees, which connects with a 350 foot crosscut adit and 450 feet of drifts in the foot wall vein. During the mines operation 102,996 tons of ore was milled or shipped from this property. From this ore, 34,456 ounces of gold, 1,718 ounces of silver and 173,959 pounds of copper was recovered.
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