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asphalt

(Encyclopedia)asphalt ăsˈfôlt, –fălt [key], brownish-black substance used commonly in road making, roofing, and waterproofing. Chemically, it is a natural mixture of hydrocarbons. It varies in consistency fro...

Ararat

(Encyclopedia)Ararat ărˈərăt [key], Turkish Ağri Daği, name of two mountains, Little Ararat (12,877 ft/3,925 m) and Great Ararat (16,945 ft/5,165 m), E Turkey, near the Iranian and Armenian borders. The tradi...

Whipple, Amiel Weeks

(Encyclopedia)Whipple, Amiel Weeks, 1818–63, American soldier and topographical engineer, b. Greenwich, Mass. He became (1841) a topographical engineer in the U.S. army and engaged in surveying the U.S. borders w...

bowfin

(Encyclopedia)bowfin, primitive freshwater fish found in the Mississippi basin, the Great Lakes, and E to Vermont. The bowfin has a light covering of rounded, overlapping scales, a large mouth, and sharp teeth. Its...

Brown, Paul Eugene

(Encyclopedia)Brown, Paul Eugene, 1908–91, American football coach, b. Norwalk, Ohio, B.A., Miami Univ., 1925, M.A., Ohio State Univ., 1930. After coaching high school teams, he coached Ohio State (1941–44), wi...

beach grass

(Encyclopedia)beach grass or marram grass mârˈəm [key], any species of the genus Ammophila, perennial grasses used to control the shifting of sand dunes, thereby protecting sandy coastal areas. The European beac...

Thousand Islands

(Encyclopedia)Thousand Islands, a group of more than 1,800 islands and 3,000 shoals in the St. Lawrence River, E of Lake Ontario, N N.Y. and S Ont., stretching c.50 mi (80 km) along the U.S.-Canada line. Most of th...

Calumet Harbor

(Encyclopedia)Calumet Harbor, artificial harbor on Lake Michigan, at the mouth of the Calumet River, NE Ill., in S Chicago. The harbor, dredged to 27 ft (8 m), is formed behind a breakwater extending c.2 mi (3.2 km...

Webster-Ashburton Treaty

(Encyclopedia)Webster-Ashburton Treaty, Aug., 1842, agreement concluded by the United States, represented by Secretary of State Daniel Webster, and Great Britain, represented by Alexander Baring, 1st Baron Ashburto...

Rush-Bagot Convention

(Encyclopedia)Rush-Bagot Convention rŭsh-băgˈət [key], 1817, agreement between the United States and Great Britain concerning the Canadian border. It consisted of the exchange of notes signed by Richard Rush, A...