river gravel

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• River gravel — are small pieces of rounded stone, usually no larger than a large coin, of a various colors. It is named for the effect of many years of rounding of the edges due to a flow of water over it. When a hard surface is also desired, river gravel is… …   Wikipedia

• Gravel (disambiguation) — Gravel may refer to:Things: * Gravel, a type of rock * Gravel road, a type of road * Gravel pit, a mine for gravel * Gravel bar, a type of hydrogeologic sediment * River gravel, a subtype of gravel stone * Gravel mines, a type of weapon * Clay… …   Wikipedia

• River Thames — Thames redirects here. For other uses, see Thames (disambiguation). Coordinates: 51°29′56″N 0°36′31″E / 51.4989°N 0.6087°E / 5 …   Wikipedia

• River Brent — Geobox|River name = Brent native name = other name = other name1 = image size = image caption = Brent River at Brentford etymology = country country = England country1 = state = state1 = region type = Counties region = Greater London region1 =… …   Wikipedia

• River Nene — River The River Nene at Kislingbury Watermill, Northamptonshir …   Wikipedia

• Gravel pit — is the British English term for an open cast working for extraction of gravel (river deposited rounded stones). Gravel pits normally lie in river valleys where the water table is high, so they fill naturally with water to form ponds or lakes. Old …   Wikipedia

• River Lee Diversion — is located in the Lee Valley close to Enfield Lock and to the north east corner of the King George V Reservoir. History As its name implies the River Lee was diverted to accommodate the construction of the Chingford Reservoirs and the Banbury… …   Wikipedia

• River morphology — is the field of science dealing with changes of river planform and cross section shape due to sedimentation and erosion processes.Morphology is a branch of geomorphology that deals with the forms of natural water bodies such as rivers, lakes,… …   Wikipedia

• river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

• River delta — Nile River delta, as seen from Earth orbit. The Nile is an example of a wave dominated delta that has the classic Greek delta (Δ) shape after which river deltas were named. A delta is a landform that is formed at the mouth of a river where that… …   Wikipedia

• River engineering — The Los Angeles River is extensively channelized with concrete embankments. River engineering is the process of planned human intervention in the course, characteristics or flow of a river with the intention of producing some defined benefit.… …   Wikipedia