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Ozark National Scenic Riverways

(Encyclopedia)Ozark National Scenic Riverways, 80,786 acres (32,707 hectares), along the Current and Jacks Fork rivers, SE Mo.; authorized 1964 as the first national scenic river; est. 1972. Many springs flow into ...

Scotts Bluff National Monument

(Encyclopedia)Scotts Bluff National Monument: see Scottsbluff; National Parks and Monuments (table)national parks and monuments (table). ...

Fort Matanzas National Monument

(Encyclopedia)Fort Matanzas National Monument: see Saint Augustine, Fla.; National Parks and Monuments, tablenational parks and monuments, table. ...

Johnstown Flood National Memorial

(Encyclopedia)Johnstown Flood National Memorial: see Johnstown (2); National Parks and Monuments (table)national parks and monuments (table). ...

Kitt Peak National Observatory

(Encyclopedia)Kitt Peak National Observatory, astronomical observatory located southwest of Tucson, Ariz.; it was founded in 1958 under contract with the National Science Foundation and is administered by the Assoc...

volcano

(Encyclopedia)volcano, vents or fissures in the earth's crust through which gases, molten rock, or lava, and solid fragments are discharged. Their study is called volcanology. The term volcano is commonly applied b...

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