importance of conservation of natural resources and development of water power on the nation’s rivers. This drove the United States into an era of dam construction throughout numerous rivers, both great and minor (Jenkins, John Wilbur). Dams have an average life span of 50 years, and 25% of the dams in the Army Corps of Engineers National Inventory of Dams are now more than 50 years old. This number is projected to increase to 85% by the year 2020. Consequently, we are already seeing huge structural…
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