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
Belver Dam Belver Dam Belver Dam () is a concrete gravity dam on the Tagus, where the river forms the border line between the Portuguese districts of Portalegre and Santarém. It is located in the municipality Gavião, in Portalegre District. Construction of the dam began in 1945. The dam was completed in 1952. It is owned by "HIDROTEJO". Belver Dam is a (height above foundation) and gravity dam with a crest altitude of . The volume of the dam is 90,000 m³. The spillway is part of the dam body (10 roller gates with a maximum discharge capacity of 18,000 m³/s). At