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Rainbow Bridge National Monument
(Encyclopedia)Rainbow Bridge National Monument, 160 acres (65 hectares), S Utah; est. 1910. Rainbow Bridge, the largest natural bridge in the world, is a symmetrical, pink, sandstone arch, 309 ft (94 m) high, 33 ft...Papahānaumokuākea Marine National Monument
(Encyclopedia)Papahānaumokuākea Marine National Monument, 582,578 sq mi (1,508,870 sq km), in the Pacific Ocean surrounding the NW Hawaiian Islands, c.270 mi (435 km) NW of Oahu; est. 2006 as Northwestern Hawaiia...Aztec Ruins National Monument
(Encyclopedia)Aztec Ruins National Monument, 318 acres (129 hectares), NW N.Mex., near Farmington; est. 1923. Ruins of a 12th-century Pueblo town contain interesting kivas, one of which has been completely restored...Natural Bridges National Monument
(Encyclopedia)Natural Bridges National Monument, 7,636 acres (3,093 hectares), SE Utah; est. 1908. Located in an area of colored cliffs and box canyons, the monument contains three huge natural sandstone bridges: O...Waco Mammoth National Monument
(Encyclopedia)Waco Mammoth National Monument: see National Parks and Monuments (table)national parks and monuments (table). ...Walnut Canyon National Monument
(Encyclopedia)Walnut Canyon National Monument: see National Parks and Monuments (table)national parks and monuments (table). ...Carrizo Plain National Monument
(Encyclopedia)Carrizo Plain National Monument: see National Parks and Monuments (table)national parks and monuments (table). ...Cascade-Siskiyou National Monument
(Encyclopedia)Cascade-Siskiyou National Monument: see National Parks and Monuments (table)national parks and monuments (table). ...Castle Clinton National Monument
(Encyclopedia)Castle Clinton National Monument: see Battery, the. ...Castle Mountains National Monument
(Encyclopedia)Castle Mountains National Monument, 20,920 acres (8,466 hectares), SE California. Surrounded on three sides by the Mojave National Preserve (see Mojave Desert), the monument contains Native American a...Browse by Subject
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