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artesian well

(Encyclopedia) artesian well, deep drilled well through which water is forced upward under pressure. The water in an artesian well flows from an aquifer, which is a layer of very porous rock or…

aquifer

(Encyclopedia) aquiferaquiferăkˈwĭfər [key]: see artesian well; water supply.

Nouakchott

(Encyclopedia) NouakchottNouakchottnwäkshôtˈ [key], city (1991 est. pop. 500,000), capital of Mauritania and Nouakchott dist., W Mauritania, a port on the Atlantic Ocean. Located between the Atlantic…

Sidoarjo mudflow

(Encyclopedia) Sidoarjo mudflow or Lusi [Lumpur Sidoarjo, Bahasa Indonesia, = Sidoarjo mud], mud volcano, Sidoarjo regency, central East Java prov., Indonesia, 20 mi (30 km) S of Surabaya. In May,…

water supply

(Encyclopedia) water supply, process or activity by which water is provided for some use, e.g., to a home, factory, or business. The term may also refer to the supply of water provided in this way.…

Glossary of Chemical Terms - A

AA B C D E F G H I J K L M N O P Q R S T U V W X Y Z achiral Describes any molecule or object that is superimposable upon its mirror image. acid A compound that produces hydrogen ions in water…

Glossary of Chemical Terms - L

LA B C D E F G H I J K L M N O P Q R S T U V W X Y Z Lanthanides The series of f-block elements between lanthanum and hafnium. laser Acronym for light amplification by stimulated emission of…

Places to See Before They Disappear

Endangered travel destinations around the world by Elizabeth Olson Glacier National Park Related Links Distinctive Destinations in the U.S. Extreme Vacations…

America's Most Endangered Places 2015

Little Havana in Miami, Florida is among American sites most at risk America's Most Endangered Places America's Most Endangered Places 2014 America's Most Endangered Places 2013…