2. Glen Canyon Dam, Page, Arizona The Glen Canyon Dam is 710-feet (216-m) high. The concrete arch dam has a crest length of 1,560 feet (475 m) and contains 4,901,000 cubic yards (3,747,000 m³) of concrete. The dam is 25 feet (8 m) wide at the crest and 300 feet (91 m) wide at the maximum base. Its height above the Colorado River is 583 feet (178 m). arch dam

3. 1. Lake Powell is a man-made reservoir on the Colorado River, straddling the border between Utah and Arizona. It is the second largest man-made reservoir in the United States behind Lake Mead, storing 24,322,000 acre feet (30 km³) of water when full. reservoirColorado River UtahArizonaLake Mead 2. The Colorado River Compact is a 1922 agreement among seven U.S. states in the basin of the Colorado River in the American Southwest governing the allocation of the river's water among the parties of the interstate compact. The agreement was signed at a meeting at Bishop's Lodge, near Santa Fe, New Mexico by representatives of the seven statesU.S. statesbasinColorado RiverAmerican Southwestallocationriver water interstate compactSanta Fe, New Mexico

4. Roosevelt Dam and Lake Roosevelt Dam is unique in the way it was originally constructed. It was the world's largest "cyclopean-masonry" dam, a Greco-Roman style of building that uses huge, irregular blocks. It is now covered by new concrete Renovations at Roosevelt Dam used 444,000 cubic yards of concrete, enough to pave a two- lane road from Phoenix to Tucson. The quantity of reinforcing steel used in the dam's renovation -- 6.7 million pounds -- would be 849 miles long if placed end to end. This is the distance from Phoenix to Denver

6. Roosevelt Lake Roosevelt Dam forms Roosevelt Lake. Below are some lake statistics: Length: 22.4 miles Shoreline: 128 miles Capacity: 1,653,043 acre-feet Surface acreage when full: 21,493 acres Maximum depth: 188 feet

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