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
Green River Crib Dam is about long, with a maximum height of , and spans the river in a semicircle open to the downstream side. The material of the dam mostly logs and rubble, with plank facing. The abutments of the dam are now a combination of stone and concrete, the wing wall on the east side extending downstream toward the bridge, where it formed part of the foundation of a now-destroyed mill. The earliest recorded documentation of a dam on this site dates to 1811, when Jonah Cutting is known to have a paper and linseed oil mill operating at the site. Some