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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...

Carlsbad Caverns National Park

(Encyclopedia)Carlsbad Caverns National Park, 46,766 acres (18,940 hectares), SE N.Mex., in the Guadalupe Mts.; designated a national park in 1930. These connecting limestone caves, with remarkable stalactite and s...

Poverty Point National Monument

(Encyclopedia)Poverty Point National Monument: see National Parks and Monuments (table)national parks and monuments (table). ...

Baffin Island National Park

(Encyclopedia)Baffin Island National Park: see Auyuittuq National Park. ...

Pictured Rocks National Lakeshore

(Encyclopedia)Pictured Rocks National Lakeshore: see National Parks and Monuments (table)national parks and monuments (table). ...

Pipe Spring National Monument

(Encyclopedia)Pipe Spring National Monument: see National Parks and Monuments (table)national parks and monuments (table). ...

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...

Richmond National Battlefield Park

(Encyclopedia)Richmond National Battlefield Park: see Richmond, Va.; National Parks and Monuments (table)national parks and monuments (table). ...