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Gas welding a joint in a line of spiral pipe at the TVA's new Douglas Dam on the French Broad River, Tenn. This dam will be 161 feet high and 1,682 feet long, with a 31,600-acre reservoir area extending 43 miles upstream. With a useful storage capacity of approximately 1,330,000 acre-feet, this reservoir will make possible the addition of nearly 100,000 kw. of continuous power to the TVA system in dry years and almost 170,000 kw. in the average year. Gas welding a joint in a line...at the TVA's new Douglas Dam on the French Broad River, Tenn., 1942. Creator: Alfred T Palmer. (KEYSTONE/HERITAGE IMAGES/HERITAGE ART)