The historic Kennecott mine, near the confluence of the Root and Kennecott Glaciers, is a marvel of engineering. Not only did the mine require the laying of 196 miles of railway, some 15% of that on trestles, but it looks like a carpenter’s version of Jenga. In operation from 1911 to 1938, the company mined copper, occasionally mining Chalcocite, a mineral comprising of nearly 70% copper and weighing significantly more than an average stone of equal size. Meagan and I took advantage of the park’s policy of allowing rock collection 
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Photo by Meagan DeRaps
