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Ekholm, Gordon Frederick

(Encyclopedia)Ekholm, Gordon Frederick ĕkˈhōlm [key], 1909–87, American archaeologist, b. St. Paul, Minn., Ph.D. Harvard, 1941. Working with the American Museum of Natural History in New York City after 1937, ...

Doubs, river, France and Switzerland

(Encyclopedia)Doubs, river, c.270 mi (435 km) long, rising in the Jura Mts., E France, and flowing northeast, forming part of the French-Swiss border, then looping into W Switzerland before turning back into France...

Douglas, city, Isle of Man

(Encyclopedia)Douglas, city, capital of the Isle of Man, Great Britain. It is a popular resort, connected by rail to Ramsey and Port Erin, on the Irish Sea. Tourism i...

Aldrovandi, Ulisse

(Encyclopedia)Aldrovandi, Ulisse o͞olēsˈsā äldrōvänˈdē [key], 1522–1605, Italian naturalist, professor at the Univ. of Bologna. He instigated the establishment (1567) of the Bologna Botanical Garden and ...

Colville, river, United States

(Encyclopedia)Colville, river, c.375 mi (600 km) long, rising in the De Long Mts. of the Brooks Range, NW Alaska, and flowing across the tundra, east then north, to the Arctic Ocean. All of its major tributaries ri...

Barkla, Charles Glover

(Encyclopedia)Barkla, Charles Glover glŭˈvər bärˈklə [key], 1877–1944, English physicist. He was professor of natural philosophy at Edinburgh from 1913. For his discovery of the characteristic X rays of ele...

Ruston

(Encyclopedia)Ruston rusˈtən [key], city (1990 pop. 20,027), seat of Lincoln parish, N La.; settled 1884 as a railroad town and inc. the same year. It is the trading center of a farm, logging, and natural-gas reg...

Trevisa, John of

(Encyclopedia)Trevisa, John of trəvēˈsə [key], c.1326–c.1402, English writer. He was the vicar of Berkeley. In 1387 he translated into English Ranulph Higden's Polychronicon, a history of the world, and in 13...

omen

(Encyclopedia)omen, sign or augury believed to foreshadow the future. Almost any occurrence can be interpreted as an omen. The typical omen was a natural phenomenon, such as a meteor, an eclipse, or the flight of b...

oil gas

(Encyclopedia)oil gas, any of a group of fuel gases produced from oil by exposing it to high temperatures. High-Btu oil gas is so called because of its high heating value; it is often used to supplement natural gas...