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Illinois, river, United States

(Encyclopedia)Illinois, river, 273 mi (439 km) long, formed by the confluence of the Des Plaines and Kankakee rivers, NE Ill., and flowing SW to the Mississippi at Grafton, Ill. It is an important commercial and re...

Rulers of England and Great Britain (table)

(Encyclopedia)Rulers of England and Great Britain(including dates of reign) Saxons and Danes House of Normandy House of Blois House of Plantagenet House of Lancaster House of York House of Tudor Ho...

Huron, Lake

(Encyclopedia)Huron, Lake hyo͝orˈänˌ [key], 23,010 sq mi (59,596 sq km), 206 mi (332 km) long and 183 mi (295 km) at its greatest width, between Ont., Canada, and Mich.; second largest of the Great Lakes. It ha...

Baltic Shield

(Encyclopedia)Baltic Shield, the continental core of Europe, composed of Precambrian crystalline rock, the oldest of Europe. The tectonically stable region was not affected by the Caledonian, Hercynian, and Alpine ...

Ironton

(Encyclopedia)Ironton, industrial city (2020 pop. 10,400), seat of Lawrence co., S Ohio, on the Ohio River; inc. as a city 1865. Chemicals, dyes, metal pipes, plastic...

Saint Clair, Lake

(Encyclopedia)Saint Clair, Lake, c.490 sq mi (1,270 sq km), 27 mi (43 km) long, on the U.S.-Canadian border, between SW Ont. and SE Mich. The St. Clair River (41 mi/66 km long) flows into the lake from Lake Huron; ...

Gilbert, Grove Karl

(Encyclopedia)Gilbert, Grove Karl, 1843–1918, American geologist, b. Rochester, N.Y., grad. Univ. of Rochester, 1862. When the U.S. Geological Survey was created in the Dept. of the Interior in 1879 (to replace f...

George II, king of Great Britain and Ireland

(Encyclopedia)George II (George Augustus), 1683–1760, king of Great Britain and Ireland (1727–60), son and successor of George I. Though devoted to Hanover, of which he was elector, George was more active in th...

Glacier National Park, United States

(Encyclopedia)Glacier National Park, 1,013,572 acres (410,497 hectares), NW Mont.; est. 1910. Straddling the Continental Divide, the park contains some of the most beautiful primitive wilderness in the Rocky Mts. T...

Schoolcraft, Henry Rowe

(Encyclopedia)Schoolcraft, Henry Rowe, 1793–1864, American ethnologist, b. near Albany, N.Y. He gave enormous impetus to the study of Native American culture and may be regarded as the foremost pioneer in Native ...