underwater dredge

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• Underwater archaeology — is the study of past human life, behaviours and cultures using the physical remains found in salt or fresh water or buried beneath water logged sedimentMuckelroy, K., Maritime archaeology. Cambridge University Press 1978. ISBN 0 521 29348 0] . It …   Wikipedia

• Dredge (disambiguation) — Dredge or dredging may refer to: Dredging, underwater excavation work Dredge, California, former community in Butte County Dragline excavator, tool for dredging in mining; piece of heavy equipment used to remove overburden in an open pit or strip …   Wikipedia

• Dredge drag head — is used by a trailing hopper suction dredger to collect sand from the sea floor. Dredge drag head The dredge drag head is a steel structure that is connected to the dredger by a suction pipe. Supported by the gantries and by using hydraulic… …   Wikipedia

• dredge — dredge1 /drej/, n., v., dredged, dredging. n. 1. Also called dredging machine. any of various powerful machines for dredging up or removing earth, as from the bottom of a river, by means of a scoop, a series of buckets, a suction pipe, or the… …   Universalium

• Suction dredge — A suction dredge can be: *The type of ship or boat called a suction dredger. *An Airlift (dredging device) for use underwater by divers …   Wikipedia

• Dredging — Dredge redirects here. For other uses, see Dredge (disambiguation). Dredgers redirects here. For the German municipality, see Dreggers. Dredging is an excavation activity or operation usually carried out at least partly underwater, in shallow… …   Wikipedia

• Deepwater Horizon oil spill — 2010 oil spill and BP oil spill redirect here. For other oil spills in 2010, see 2010 oil spill (disambiguation). For the 2006 oil spill involving BP, see Prudhoe Bay oil spill. For the drilling rig and explosion, see Deepwater Horizon… …   Wikipedia

• harbours and sea works — Introduction harbour also spelled  harbor        any part of a body of water and the manmade structures surrounding it that sufficiently shelters a vessel from wind, waves, and currents, enabling safe anchorage or the discharge and loading of… …   Universalium

• Water eductor — A water eductor or water dredge is a tool used by underwater archaeologists to remove sediments from an underwater archaeological site. Airlifts may be used for the same purpose.It consists of a large bore straight tube to which is attached a… …   Wikipedia

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

• William Beebe — For the U.S. Army officer and Medal of Honor recipient, see William Sully Beebe. William Beebe William Beebe in British Guiana in 1917 …   Wikipedia