Crystal Dam Crystal Dam Crystal Dam is a double curvature, concrete thin arch dam located six miles downstream from Morrow Point Dam on the Gunnison River in Colorado, United States. Crystal Dam is the newest of the three dams in Curecanti National Recreation Area; construction on the dam was finished in 1976. The dam impounds Crystal Reservoir. Crystal Dam and reservoir are part of the Bureau of Reclamation's Wayne N. Aspinall Unit of the Colorado River Storage Project, which retains the waters of the Gunnison River and its tributaries for agricultural and municipal use in the American Southwest. The dam's primary purpose
Rappbode Dam Rappbode Dam The Rappbode Dam () is the largest dam in the Harz region as well as the highest dam in Germany. Together with several other dams and retention basins, it forms the flood protection system for the eastern Harz. The earliest discussions about building flood protection barriers took place following devastating floods at the beginning of the 20th century. These envisaged a number of masonry dams being constructed across the tributaries of the Bode river. The first concrete plan, however, was to build just one dam but this would have meant sacrificing a number of villages. The eventual project