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well

(Encyclopedia) well, aperture in the earth's surface through which substances in a natural underground reservoir, such as water, gas, oil, salt, and sulfur, can flow or be pumped to the surface. In…

baboon

(Encyclopedia) baboon, any of the large, powerful, ground-living monkeys of the genus Papio, also called dog-faced monkeys. Five subspecies live in Africa, with one species extending into the Arabian…

executive order

(Encyclopedia) executive order, in the United States, official document initiated and signed by the president containing directives concerning how the executive branch shall carry out its…

lava

(Encyclopedia) lavalavaläˈvə [key], molten rock that erupts on the earth's surface, either on land or under the ocean, by a volcano or through a fissure. It solidifies into igneous rock that is also…

Rock Island County, IL Census Data

Illinois Rock Island County, Illinois People QuickFactsRock Island CountyIllinoisPopulation, 2005 estimate 147,80812,763,371Population, percent change, April 1, 2000 to July 1, 2005 -1.1%2.8%…

Rock Island County, IL Social Statistics

Rock island county illinois dp 2 profile of selected social characteristics NOTE: Data based on a sample except in P3, P4, H3, and H4. For information on confidentiality protection,…

Rock Island County, IL Economic Statistics

Rock island county illinois dp 3 profile of selected economic characteristics NOTE: Data based on a sample except in P3, P4, H3, and H4. For information on confidentiality protection,…

Rock Island County, IL Housing Statistics

Rock island county illinois dp 4 profile of selected housing characteristics NOTE: Data based on a sample except in P3, P4, H3, and H4. For information on confidentiality protection,…

earth, in geology and astronomy

(Encyclopedia) CE5 A. Cross section of the earth, showing its shells B. Detailed cross section of the crust and upper mantle: The lithosphere consists of the hard rock in the crust and upper…