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Guanajuato, state, Mexico

(Encyclopedia)Guanajuato gwänähwäˈtō [key], state, 11,805 sq mi (30,575 sq km), W central Mexico, on the ...

Mississippi, river, United States

(Encyclopedia)Mississippi, river, principal river of the United States, c.2,350 mi (3,780 km) long, exceeded in length only by the Missouri, the chief of its numerous tributaries. The combined Missouri-Mississippi ...

Heart, river, United States

(Encyclopedia)Heart, river, 180 mi (290 km) long, rising in the low prairie country near the Little Missouri River, SW N.Dak., and flowing E to the Missouri at Mandan, N.Dak. The Heart Butte and Dickinson dams, irr...

Reclamation, United States Bureau of

(Encyclopedia)Reclamation, United States Bureau of, agency set up in the Dept. of the Interior under the Reclamation Act of 1902. It is charged with promoting regional economies by developing water and related land...

Zacatecas, state, Mexico

(Encyclopedia)Zacatecas säkätāˈkäs [key], state (1990 pop. 1,276,329), 28,125 sq mi (72,844 sq km), N central Mexico. Zacatecas is the capital. Lying on the central plateau, Zacatecas is a state of semiarid pl...

United States, Great Seal of the

(Encyclopedia)United States, Great Seal of the, official impression that validates a United States government document. It was adopted by the Continental Congress in 1782 and, with only minor changes in the design,...

Missouri River basin project

(Encyclopedia)Missouri River basin project, comprehensive plan authorized in 1944 for the coordinated development of water resources of the Missouri River and its tributaries, draining an area of c.513,300 sq mi (1...

Grand River, rivers, United States

(Encyclopedia)Grand River. 1 River, 260 mi (418 km) long, rising in S Mich. and flowing N to Lansing, then NW to Lake Michigan at Grand Haven. It is the longest river in the state and is navigable to the city of Gr...

Roth v. United States

(Encyclopedia)Roth v. United States, case decided in 1957 by the U.S. Supreme Court. Samuel Roth of New York City was convicted of mailing obscene materials. On appeal his conviction was affirmed by the Supreme Cou...

Gallatin, river, United States

(Encyclopedia)Gallatin, river, c.120 mi (190 km) long, rising in the Gallatin Range in the northwest corner of Yellowstone National Park, NW Wyo., and flowing generally northwest to join the Madison and Jefferson r...