Future of water power in the United States. An address delivered before the Denver section of the American Institute of Electrical Engineers at the annual meeting held in Denver, Colo. on February 19, 1916, relative to the future of water power in the United States, by Mr. Charles W. Comstock, former state engineer of Colorado. Presented by Mr. Shafroth. March 8, 1916. -- Referred to the Committee on Printing