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Proceedings of Waterpower '99, held in Las Vegas, Nevada, July 6-9, 1999. 

This collection contains 131 papers that discuss the latest technical and scientific developments affecting hydropower. Papers on civil construction covers such topics as seismic evaluation, dam rehabilitation, and penstocks. Environmental and cultural papers discuss water quality, shoreline management, and fish passage issues. Mechanical and electrical papers talk about gates, turbines, automation, and hydraulics. Papers on water resources explore decision support systems, headwater benefits evaluation, dam safety, floods, and water resources planning issues. Papers on economics address ancillary benefits and economic tools, while papers on policy cover licensing, environmental issues, and decommissioning of dams.