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America's Ten Most Endangered Rivers, 2012

Each year the organization American Rivers analyzes the condition of the nation's rivers to determine which are the most “endangered.” Threats to these rivers include dams and channelizations that…

Elvis's Legacy

Is he in the building? by John Gettings Related Links The Best of Elvis Elvis.com (official site) Graceland (virtual tour) Music Timeline 500 Songs That Shaped Rock…

Ernest Orlando Lawrence

Born: 1901Birthplace: Canton, So. Dakota Method and apparatus for the acceleration of ions—Lawrence's cyclotron enabled him to study the structure of the atom, transmute certain elements, and…

Red Cloud

(Encyclopedia) Red Cloud, b. 1821 or 1822, d. 1909, Oglala Sioux chief, b. near the Platte River in present-day Nebraska. He led the Native American fight against the establishment of the Bozeman…

Pachycephalosaurus

(Encyclopedia) PachycephalosaurusPachycephalosauruspăkˌĭsĕfˌəlōsôrˈəs [key] [Gr., = thick-headed lizard], bipedal herbivorous dinosaur of the late Cretaceous period, approximately 68–65 million years…

Neuharth, Al

(Encyclopedia) Neuharth, Al (Allen Harold Neuharth), 1924–2013, American media executive, b. Eureka, S.Dak., grad. Univ. of South Dakota (1950). In 1954 he began working as a reporter for The Miami…

The Largest States in the U.S. by Area

The United States of America is a country of immense geographical diversity, with a landscape that spans from snow-capped mountains to sun-kissed beaches, arid deserts to lush forests. The country's…

Regulator movement

(Encyclopedia) Regulator movement, designation for two groups, one in South Carolina, the other in North Carolina, that tried to effect governmental changes in the 1760s. In South Carolina, the…

Tom Brokaw

TV journalistBorn: 2/6/1940Birthplace: Webster, South Dakota Well-respected TV journalist whose popularity with American viewers grew during his term as host of the Today show (1976–82). Brokaw…