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21-474: The stream headwaters are located in southwest Texas County just north of the community of Dunn and U. S. Route 60 . The stream flows east and southeast passing just south of Cabool passing under Route 60 Business, Missouri Route 181 and U. S. Route 63 . The stream course turns northeast and runs parallel to Route 63 passing under it three times before turning northwest to the north of Simmons . The stream meanders north passing under Missouri Route 17 to

42-562: A confluence of tributaries can be a true river source, though both often provide the starting point for the portion of a river carrying a single name. For example, National Geographic and virtually every other geographic authority and atlas define the source of the Nile River not as Lake Victoria 's outlet where the name "Nile" first appears, which would reduce the Nile's length by over 900 km (560 mi) (dropping it to fourth or fifth on

63-456: A river is influenced by the relative density of the river compared to the receiving water, the rotation of the Earth, and any ambient motion in the receiving water, such as tides or seiches . If the river water has a higher density than the surface of the receiving water, the river water will plunge below the surface. The river water will then either form an underflow or an interflow within

84-538: A section of Phelps County north of Spring Creek . It meanders back west and flows past Moab and Devils Elbow before passing under Interstate 44 and past Hooker before reaching its confluence with the Gasconade. Big Piney River was so named on account of thick pine timber near its banks. This Pulaski County, Missouri state location article is a stub . You can help Misplaced Pages by expanding it . This Texas County, Missouri state location article

105-479: Is a stub . You can help Misplaced Pages by expanding it . This article related to a river in Missouri is a stub . You can help Misplaced Pages by expanding it . Headwaters The headwater of a river or stream is the point on each of its tributaries upstream from its mouth / estuary into a lake / sea or its confluence with another river. Each headwater is considered one of the river's sources , as it

126-414: Is carrying. This sediment deposition can generate a variety of landforms , such as deltas , sand bars , spits , and tie channels. Landforms at the river mouth drastically alter the geomorphology and ecosystem. Along coasts, sand bars and similar landforms act as barriers, sheltering sensitive ecosystems that are enriched by nutrients deposited from the river. However, the damming of rivers can starve

147-493: Is considered a linear geographic feature, with only one mouth and one source. For an example, the Mississippi River and Missouri River sources are officially defined as follows: The verb "rise" can be used to express the general region of a river's source, and is often qualified with an adverbial expression of place. For example: The word "source", when applied to lakes rather than rivers or streams, refers to

168-407: Is the place where surface runoffs from rainwater , meltwater and/or spring water begin accumulating into a more substantial and consistent flow that becomes a first-order tributary of that river. The tributary with the longest course downstream of the headwaters is regarded as the main stem . The United States Geological Survey (USGS) states that a river's "length may be considered to be

189-583: The Churn — although not without contention. When not listing river lengths, however, alternative definitions may be used. The Missouri River's source is named by some USGS and other federal and state agency sources, following Lewis and Clark 's naming convention, as the confluence of the Madison and Jefferson rivers, rather than the source of its longest tributary (the Jefferson). This contradicts

210-633: The Smithsonian Institution , is also used by the National Geographic Society when pinpointing the source of rivers such as the Amazon or Nile . A definition given by the state of Montana agrees, stating that a river source is never a confluence but is "in a location that is the farthest, along water miles, from where that river ends." Under this definition, neither a lake (excepting lakes with no inflows) nor

231-400: The combined Missouri—lower Mississippi length figure in lists of lengths of rivers around the world. Most rivers have numerous tributaries and change names often; it is customary to regard the longest tributary or stem as the source, regardless of what name that watercourse may carry on local maps and in local usage. This most commonly identified definition of a river source specifically uses

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252-566: The distance from the mouth to the most distant headwater source (irrespective of stream name), or from the mouth to the headwaters of the stream commonly known as the source stream". As an example of the second definition above, the USGS at times considers the Missouri River as a tributary of the Mississippi River . But it also follows the first definition above (along with virtually all other geographic authorities and publications) in using

273-435: The lake's inflow . River mouth A river mouth is where a river flows into a larger body of water , such as another river, a lake / reservoir , a bay / gulf , a sea , or an ocean . At the river mouth, sediments are often deposited due to the slowing of the current, reducing the carrying capacity of the water. The water from a river can enter the receiving body in a variety of different ways. The motion of

294-407: The lake. However, if the river water is lighter than the receiving water, as is typically the case when fresh river water flows into the sea, the river water will float along the surface of the receiving water as an overflow. Alongside these advective transports, inflowing water will also diffuse . At the mouth of a river, the change in flow conditions can cause the river to drop any sediment it

315-634: The list of world's rivers), but instead use the source of the largest river flowing into the lake, the Kagera River . Likewise, the source of the Amazon River has been determined this way, even though the river changes names numerous times along its course. However, the source of the Thames in England is traditionally reckoned according to the named river Thames rather than its longer tributary,

336-620: The melting of glacial ice . Headwater areas are the upstream areas of a watershed , as opposed to the outflow or discharge of a watershed. The river source is often but not always on or quite near the edge of the watershed, or watershed divide. For example, the source of the Colorado River is at the Continental Divide separating the Atlantic Ocean and Pacific Ocean watersheds of North America . A river

357-658: The most common definition, which is, according to a US Army Corps of Engineers official on a USGS site, that "[geographers] generally follow the longest tributary to identify the source of rivers and streams." In the case of the Missouri River, this would have the source be well upstream from Lewis and Clark's confluence, "following the Jefferson River to the Beaverhead River to Red Rock River , then Red Rock Creek to Hell Roaring Creek ." Sometimes

378-496: The most distant point (along watercourses from the river mouth ) in the drainage basin from which water runs year-around ( perennially ), or, alternatively, as the furthest point from which water could possibly flow ephemerally . The latter definition includes sometimes-dry channels and removes any possible definitions that would have the river source "move around" from month to month depending on precipitation or ground water levels. This definition, from geographer Andrew Johnston of

399-620: The river of sand and nutrients, creating a deficit at the river's mouth. As river mouths are the site of large-scale sediment deposition and allow for easy travel and ports, many towns and cities are founded there. Many places in the United Kingdom take their names from their positions at the mouths of rivers, such as Plymouth (i.e. mouth of the Plym River ), Sidmouth (i.e. mouth of the Sid River ), and Great Yarmouth (i.e. mouth of

420-507: The source of the most remote tributary may be in an area that is more marsh -like, in which the "uppermost" or most remote section of the marsh would be the true source. For example, the source of the River Tees is marshland . The furthest stream is also often called the head stream. Headwaters are often small streams with cool waters because of shade and recently melted ice or snow. They may also be glacial headwaters, waters formed by

441-651: The west of Houston and east of Bucyrus . The stream continues north passing under Missouri Route 32 and on past Hazleton passing the Paddy Creek Recreation Area and the Slabtown Spring area. The stream enters southeastern Pulaski County . It continues north past Ross Bridge and through an eastern section of the Fort Leonard Wood reservation. North of Fort Leonard Wood the stream veers sharply east, briefly passing through

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