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A s his term of office d r a w s to a close, A I E E Presi dent Coover reports o n the current status of the Institute, progress during the past administrative year, a n d the outlook for the future. JULY 1957 Coover-ChangingPatterns 561

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Synopsis.-The 100,000-volt transmission lines of the Public cent years called for the satisfactory solution of many problems. The Service Company of Colorado, which were completed i7 1909, paper describes the system in a general way, and outlines some of the extentded from the Shoshone hydro plant on the Colorado River .more salient operating difficulties that have arisen from time to time across the Continental Divide to Denver and represent pioneering in as well as their remedies. Brief mention is also made of the method high-voltage transmission at high altitudes. This combination of of load dispatching. factors, coupled with a rapid expansion of the whole system in re-