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Groseilliers, Médard Chouart, sieur des

(Encyclopedia)Groseilliers, Médard Chouart, sieur des mdär´ shwär syör d grôsy´ [key], 1618?–c.1690, French trader and explorer in North America. He was the brother-in-law of Pierre Esprit Radisson...

Radisson, Pierre Esprit

(Encyclopedia)Radisson, Pierre Esprit pyr spr´ rädsôN´ [key], c.1632–1710, French explorer and fur trader in North America. He arrived in Canada in 1651. His journals, first published as the Voyages o...

DES

(Encyclopedia)DES or diethylstilbestroldthlstlbs´trôl [key], synthetic nonsteroid female sex hormone having the same physiological effects as estrogen. In the 1940s and 50s DES was mistakenly believ...

Rupert House

(Encyclopedia)Rupert House, village, W Que., Canada, on the Rupert River east of its mouth on James Bay. It was founded in 1668 as Charles Fort by the trader des Groseilliers, whose success there led to the incorpo...

Superior, Lake

(Encyclopedia)Superior, Lake, largest freshwater lake in the world, 31,820 sq mi (82,414 sq km), 350 mi (563 km) long and 160 mi (257 km) at its greatest width, bordered on the W by NE Minnesota, on the N and E by ...

Des Moines

(Encyclopedia)Des Moines d moin´ [key], city (1990 pop. 193,187), state capital and seat of Polk co., S central Iowa, at the junction of the Des Moines and Raccoon rivers; inc. as Fort Des Moines in 1851, charte...

Des Moines

(Encyclopedia)Des Moines, river, 535 mi (861 km) long, rising in SW Minn. and flowing SE across Iowa to the Mississippi River at Keokuk, SE Iowa. Flowing through fertile farmland, the river floods in the spring and...

Des Plaines

(Encyclopedia)Des Plaines ds plnz [key], city (1990 pop. 53,223), Cook co., NE Ill., a suburb of Chicago on the Des Plaines River; inc. 1925. Among its manufactures are chemicals and electronic equipment. It wa...

Des Plaines

(Encyclopedia)Des Plaines, river, 110 mi (177 km) long, rising in SE Wis., and flowing S and SW through NE Ill., joining the Kankakee River S of Joliet, Ill., to form the Illinois River. The lower Des Plaines is pa...

West Des Moines

(Encyclopedia)West Des Moines d moin´ [key], city (1990 pop. 31,02), Polk co., S central Iowa, a growing suburb W of Des Moines; inc. 1893 as Valley Junction, renamed 1938. Hybrid seed corn and sorghum are grow...