rock riprap

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• Riprap — also known as rip rap, rubble, shot rock or rock armour is rock or other material used to armor shorelines and streambeds against water and sometimes ice erosion. It is normally made from hard rock, commonly granite or concrete rubble recycled… …   Wikipedia

• Rock (geology) — In geology, rock is a naturally occurring aggregate of minerals and/or mineraloids.The Earth s outer solid layer, the ‘lithosphere’, is made of rock. In general rocks are of three types, namely, igneous, sedimentary, and metamorphic. The… …   Wikipedia

• rock — I (New American Roget s College Thesaurus) v. i. swing, sway, oscillate, teeter. See oscillation. n. crag, boulder, cliff, stone; refuge, haven, support, defense; slang, diamond, jewel, gem. See land, stability. II (Roget s IV) n. 1. [A… …   English dictionary for students

• rock bottom — Synonyms and related words: base, basement, basis, bearing wall, bed, bedding, bedrock, belly, best, bottom, bottom side, bottommost, breech, buttocks, cut, deepest, downside, floor, flooring, fond, footing, foundation, fundament, fundamental,… …   Moby Thesaurus

• Race Rock Light — Infobox Lighthouse caption = Race Rock light location = Entrance to Long Island sound coordinates = coord|41|14|37|N|72|02|49|W|region:US type:landmark yearlit = 1879 automated = 1978 yeardeactivated = Active foundation = Granite and concrete… …   Wikipedia

• History of the Panama Canal — The history of the Panama Canal goes back almost to the earliest explorers of the Americas. The narrow land bridge between North and South America offers a unique opportunity to create a water passage between the Atlantic and Pacific oceans. This …   Wikipedia

• Coastal management — This article is about coastal management aimed to prevent erosion and flooding. For broader management issues, see Integrated coastal zone management. Oosterscheldekering sea wall, the Netherlands. In some jurisdictions the terms sea defense and… …   Wikipedia

• Aliso Creek (Orange County) — Not to be confused with Aliso Creek (Los Angeles County). Coordinates: 33°30′38″N 117°45′9″W / 33.51056°N 117.7525°W / 33.51056; …   Wikipedia

• Ocean Beach Public Policy — Ocean Beach is a beach that runs along the west coast of San Francisco, California, United States, at the Pacific Ocean. It is adjacent to Golden Gate Park, the Richmond District and the Sunset District. The Great Highway runs alongside the beach …   Wikipedia

• dam — dam1 /dam/, n., v., dammed, damming. n. 1. a barrier to obstruct the flow of water, esp. one of earth, masonry, etc., built across a stream or river. 2. a body of water confined by a dam. 3. any barrier resembling a dam. v.t. 4. to furnish with a …   Universalium

• Dam — /dam, dahm/, n. (Carl Peter) Henrik /kahrl pee ter hen rik/; Dan. /kahrddl pay teuhrdd hen rddik/, 1895 1976, Danish biochemist: Nobel prize for medicine 1943. * * * I Barrier built across a stream, river, or estuary to conserve water for such… …   Universalium