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coal
(Encyclopedia)coal, fuel substance of plant origin, largely or almost entirely composed of carbon with varying amounts of mineral matter. Coal is found in beds or seams interstratified with shales, clays, sands...Pleistocene epoch
(Encyclopedia)Pleistocene epoch plīˈstəsēn [key], 6th epoch of the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table). According to a classification that considered its depos...Omaha, indigenous people of North America
(Encyclopedia)Omaha ōˈməhä, –hô [key], Native Americans whose language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native American languages). They, with the Ponca, migrated from t...Anderson, Maxwell
(Encyclopedia)Anderson, Maxwell, 1888–1959, American dramatist, b. Atlantic, Pa., grad. Univ. of North Dakota, 1911. His plays, many of which are written in verse, usually concern social and moral problems. Ander...Missouri, river, United States
(Encyclopedia)Missouri, river, c.2,565 mi (4,130 km) long (including its Jefferson-Beaverhead-Red Rock headstream), the longest river of the United States and the principal tributary of the Mississippi River. The l...Congress of the United States
(Encyclopedia)Congress of the United States, the legislative branch of the federal government, instituted (1789) by Article 1 of the Constitution of the United States, which prescribes its membership and defines it...New South Wales
(Encyclopedia)New South Wales, state (2016 pop. 7,480,228), 309,443 sq mi (801,457 sq km), SE Australia. It is bounded on the E by the Pacific Ocean. Sydney is the capital. The other principal urban centers are New...Natives, South American
(Encyclopedia)Natives, South American, aboriginal peoples of South America. In the land mass extending from the Isthmus of Panama to Tierra del Fuego, Native American civilizations developed long before the coming ...South African literature
(Encyclopedia)South African literature, literary works written in South Africa or written by South Africans living in other countries. Populated by diverse ethnic and language groups, South Africa has a distinctive...South African War
(Encyclopedia)South African War or Boer War, 1899–1902, war of the South African Republic (Transvaal) and the Orange Free State against Great Britain. The Boers accepted British sovereignty in exchange for a ...Browse by Subject
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