groundwater ridge

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• Blue Ridge Parkway — Infobox protected area | name = Blue Ridge Parkway iucn category = V caption = locator x = locator y = location = North Carolina Virginia, USA nearest city = Asheville, NC Roanoke, VA lat degrees = 36 lat minutes = 31 lat seconds = 07 lat… …   Wikipedia

• Martin Ridge Cave System — The Martin Ridge Cave System is a large cave near Mammoth Cave, Kentucky. The system, composed of the interconnected Whigpistle, Martin Ridge, and Jackpot Caves, has been mapped to over 55 kilometers (34 mi), and is currently the United… …   Wikipedia

• Flint Ridge Cave System — ▪ geological region, Kentucky, United States       complex of caves and underground rivers in west central Kentucky, U.S. The surveyed areas of the system are entirely within Mammoth Cave National Park. The caverns are interconnected to a great… …   Universalium

• divide —    1. A line connecting the highest topographic elevations or ground water crests that separate one drainage basin from another [16].    2. A ridge in the water table or potentiometric surface from which the ground water represented by that… …   Lexicon of Cave and Karst Terminology

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… …   Universalium

• GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… …   Encyclopedia of Judaism

• cave — cavelike, adj. /kayv/, n., v., caved, caving. n. 1. a hollow in the earth, esp. one opening more or less horizontally into a hill, mountain, etc. 2. a storage cellar, esp. for wine. 3. Eng. Hist. a secession, or a group of seceders, from a… …   Universalium

• Waste pond — A waste pond or chemical pond is a small impounded water body used for the disposal of water pollutants, and sometimes utilized as a method of recycling or decomposing toxic substances. Such waste ponds may be used for regular disposal of… …   Wikipedia

• Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …   Universalium

• Marcellus Formation — Stratigraphic range: Middle Devonian …   Wikipedia