Satsop River

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Satsop River
WEST FORK OF THE SATSOP RIVER IN OLYMPIC NATIONAL TIMBERLAND, WASHINGTON. NEAR OLYMPIC NATIONAL PARK - NARA - 555218.jpg
USA Washington relief location map.jpg
Red pog.svg
Location of the mouth of the Satsop River in Washington
Location
Country United States
State Washington
County Grays Harbor
Physical characteristics
SourceConfluence of East and West Forks
 - coordinates 47°2′11″N123°31′38″W / 47.03639°N 123.52722°W / 47.03639; -123.52722 [1]
Mouth Chehalis River
 - coordinates
 46°58′44″N123°28′53″W / 46.97889°N 123.48139°W / 46.97889; -123.48139 Coordinates: 46°58′44″N123°28′53″W / 46.97889°N 123.48139°W / 46.97889; -123.48139 [1]
 - elevation
23 ft (7.0 m) [1]
Length6.5 mi (10.5 km) [2]
Basin size291 sq mi (750 km2) [3]
Discharge 
 - location river mile 2.3 near Satsop, WA [4]
 - average2,039 cu ft/s (57.7 m3/s) [4]
 - minimum147 cu ft/s (4.2 m3/s)
 - maximum51,800 cu ft/s (1,470 m3/s)

The Satsop River is a stream in the U.S. state of Washington. It has three main tributary forks, the East Fork, West Fork, and Middle Fork Satsop Rivers. The main stem Satsop River is formed by the confluence of the West and East Forks. The Middle Fork is a tributary of the East Fork. The three forks are much longer than the main stem Satsop itself, which flows south from the confluence only a few miles to join the Chehalis River near Satsop, Washington. Other significant tributaries include the Canyon River and Little River, both tributaries of the West Fork Satsop, and Decker Creek, a tributary of the East Fork Satsop River. The Satsop River's major tributaries originate in the Olympic Mountains and its southern foothills, the Satsop Hills, within Grays Harbor and Mason counties. Most of the Satsop River's watershed consists of heavily wooded hill lands. The upper tributaries extend into Olympic National Forest, approaching but not quite reaching Olympic National Park.

U.S. state constituent political entity of the United States

In the United States, a state is a constituent political entity, of which there are currently 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory and shares its sovereignty with the federal government. Due to this shared sovereignty, Americans are citizens both of the federal republic and of the state in which they reside. State citizenship and residency are flexible, and no government approval is required to move between states, except for persons restricted by certain types of court orders. Four states use the term commonwealth rather than state in their full official names.

Washington (state) State of the United States of America

Washington, officially the State of Washington, is a state in the Pacific Northwest region of the United States. Named for George Washington, the first president of the United States, the state was made out of the western part of the Washington Territory, which was ceded by Britain in 1846 in accordance with the Oregon Treaty in the settlement of the Oregon boundary dispute. It was admitted to the Union as the 42nd state in 1889. Olympia is the state capital; the state's largest city is Seattle. Washington is sometimes referred to as Washington State to distinguish it from Washington, D.C., the capital of the United States.

Tributary stream or river that flows into a main stem river or lake

A tributary or affluent is a stream or river that flows into a larger stream or main stem river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage basin of its surface water and groundwater, leading the water out into an ocean.

Contents

The Satsop River watershed is located east of the Wynoochee River and south of the Skokomish River watersheds.

The Wynoochee River is a 60-mile (97 km) long river located in the Olympic Peninsula in the U.S. state of Washington. A tributary of the Chehalis River, the Wynoochee River rises in the Olympic Mountains within the Olympic National Park and flows generally south. Its drainage basin is 218 square miles (560 km2) in area. The name Wynoochee comes from the Lower Chehalis placename /xʷənúɬč/, meaning "shifting".

Skokomish River river in the United States of America

The Skokomish River is a river in Mason County, Washington, United States. It is the largest river flowing into Hood Canal, a western arm of Puget Sound. From its source at the confluence of the North and South Forks the main stem Skokomish River is approximately 9 miles (14 km) long. The longer South Fork Skokomish River is 40 miles (64 km), making the length of the whole river via its longest tributary about 49 miles (79 km). The North Fork Skokomish River is approximately 34 miles (55 km) long. A significant part of the Skokomish River's watershed is within Olympic National Forest and Olympic National Park.

Course

The main stem Satsop River originates at the confluence of the East and West Forks and flows generally south to Satsop, where it empties into Chehalis River at Chehalis river mile 20.2. U.S. Route 12 crosses the river near its mouth. The main stem river flows through a broad valley used for farming. [3] [5]

Satsop, Washington Census-designated place in Washington, United States

Satsop is a census-designated place (CDP) in Grays Harbor County, Washington, United States. The population was 675 at the 2010 census, up from 619 at the 2000 census.

Chehalis River (Washington) river in the United States of America

The Chehalis River is a river in Washington in the United States. It originates in several forks in southwestern Washington, flows east, then north, then west, in a large curve, before emptying into Grays Harbor, an estuary of the Pacific Ocean.

River mile

In the United States, a river mile is a measure of distance in miles along a river from its mouth. River mile numbers begin at zero and increase further upstream. The corresponding metric unit using kilometers is the river kilometer. They are analogous to vehicle roadway mile markers, except that river miles are rarely marked on the physical river; instead they are marked on navigation charts, and topographic maps. Riverfront properties are sometimes partially legally described by their river mile.

U.S. Route 12 bridges over the Satsop River Satsop River Bridges, looking east (2016).jpg
U.S. Route 12 bridges over the Satsop River

The river has several significant tributaries, including the West, East, and Middle Forks. These forks are significant rivers in their own right and unite only a few miles north of the Chehalis River. The forks are all much longer than the main stem Satsop River.

The West Fork Satsop River rises in the southern Olympic Mountains. It flows south through a narrow gorge. In its final miles the river valley broadens. At 44 miles (71 km) long, the West Fork is the longest tributary. The total river length from the West Fork's source to the mouth of the main stem Satsop River is approximately 50.5 miles (81.3 km). The length from the source of the Canyon River is nearly as long, at 48.5 miles (78.1 km). [6] Its watershed is 154 square miles (400 km2) large. Much of the watershed is privately owned timber lands. [3] [7] The West Fork has two major tributaries, the 20-mile (32 km) long Canyon River and the 6-mile (9.7 km) long Little River. [6] The Canyon River, West Fork, and Middle Fork all originate close to one another in the Olympic Mountains. The Canyon River's source is approximately 1.6 miles (2.6 km) east of the source of the West Fork and 1.4 miles (2.3 km) west of the source of the Middle Fork. [8] [9] These rivers originate in the southern Olympic Mountains in the general vicinity of Chapel Peak, Dusk Point, and Anderson Butte. [10] [11] [12]

The East Fork Satsop River originates at the confluence of Phillips Creek and Stillwater Creek. It flows generally southwest through a broad and flat valley. Bingham Creek is its main tributary, joining from the north. [3] Below Bingham Creek the East Fork flows through Carstairs Prairie before being joined by Decker Creek and the Middle Fork Satsop River, both from the north. [13] The East Fork is approximately 21 miles (34 km) long. Its headwater tributary, Stillwater Creek, is 3 miles (4.8 km) long. [6] [14]

The Middle Fork Satsop River rises in the foothills of the Olympic Mountains and flows south, passing through steep gorges and canyons. At 35 miles (56 km) long it is the second longest tributary. [6] Shortly below the Middle Fork's confluence with Baker Creek its valley widens as the river approaches its confluence with the East Fork Satsop River. [15] Most of the watershed of the Middle Fork is second-growth forest used for timber production. [3]

Decker Creek flows through broad prairie lands and gently sloping valleys. It joins the East Fork Satsop River upstream from the Middle Fork confluence. [3] [16] Decker Creek is approximately 16 miles (26 km) long. [6]

Land use

Land ownership within the Satsop River's watershed, approximately, is 62% corporate (182 sq mi (470 km2)), 18% National Forest (52 sq mi (130 km2)), 13% private (37 sq mi (96 km2)), 6% state (19 sq mi (49 km2)), and less than 1% municipal and county (0.9 sq mi (2.3 km2)). [3]

Commercial forests, including National Forest lands, make up about 95% of the land use in the Satsop watershed. Cropland and pasture account for about 3%. Built-up areas, rural non-farms, and barren lands account for slightly over 1%. [3]

History

The Satsop River's name comes from Upper Chehalis /sácapš/, literally "made stream", from /sáʔa–/, "make, do", plus /cápš/, "stream". [17] The Satsop Native Americans, who lived along the river, were neighbors of the Lower Chehalis, Humptulip, and the Hoquiam peoples, with whom they shared a similar political organization. The relation of the Satsops to other Native Americans remains unclear. Some ethnologists classify the Satsops as a subdivision of the Lower Chehalis people while others place them closer to the Upper Chehalis (Kwaiailk) people, in part because the Satsop Coast Salish dialect appears most closely related to the Upper Chehalis dialect. The Upper and Lower Chehalis dialects are distinct and the boundary between them was at the confluence of the Chehalis and Satsop Rivers. A trail ran through the Satsop lands over which trade passed south to Grays Harbor and Willapa Bay. The Satsops were devastated by smallpox and other epidemics, after which a remnant population moved from their ancestral lands along the Satsop River to the Chehalis Reservation. The Satsop population was listed as 350 in 1870 and only 12 in 1885. There is no Satsop tribe today. [18]

John Rady became the first settler on the Satsop River in 1852. [19] French Canadians and Germans began to settle in the Satsop Valley in the 1860s and 1870s. The Schafer family was among the early settlers, having moved to the region from Wisconsin. Three of the Schafer brothers, sons of the pioneering family, founded one of the biggest and most successful logging companies of the area. From a start using an oxteam to haul logs the Schafer's company grew to own large tracts of timberland served by miles of logging railroads. [20]

Natural history

The Satsop River is one of the larger tributaries of the Chehalis River, especially in the summer. In August, approximately 30% of the Chehalis River's flow at Cosmopolis comes from the Satsop River. [3]

The Satsop and its tributaries support a variety of migratory fish, including chinook, chum, and coho salmon. The Middle Fork Satsop River in particular supports very large runs of all three species. The West Fork Satsop also supports sizable runs of all three species. Other tributaries important for salmon spawning include Decker Creek, Canyon River, and the Little River. [3]

A number of projects have been undertaken to improve salmon habitat in the Satsop watershed, including the construction of spawning channels and fish hatcheries. [3]

Forestry

Clearcutting in the Satsop River drainage system, 1973 CLEAR-CUT AREA ON THE SATSOP RIVER DRAINAGE SYSTEM, LOOKING TO THE SOUTHWEST IN OLYMPIC NATIONAL TIMBERLAND... - NARA - 555104.jpg
Clearcutting in the Satsop River drainage system, 1973

The Satsop River's watershed is prime timber land and much of it is privately owned and regularly harvested. Approximately 70% of the watershed's forests are less than 35 years old. The timber harvesting combined with the region's steep slopes presents erosion and mass wasting hazards. In addition there is a relatively high density of roads, mostly for logging, which increases the erosion and sedimentation risks. Rainfall in the region ranges from 70 to 175 inches per year, which further increases the danger of destructive erosion. [3]

See also

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References

  1. 1 2 3 U.S. Geological Survey Geographic Names Information System: Satsop River
  2. ↑ Calculated in Google Earth; length of main stem Satsop only; length including West Fork Satsop, the longest tributary, is 50.5 mi (81.3 km).
  3. 1 2 3 4 5 6 7 8 9 10 11 12 "Chehalis River Basin Nonpoint Action Plan - satsop River". Chehalis River Council. Retrieved 2009-06-05.
  4. 1 2 "Water Resources Data-Washington Water Year 2005; Chehalis and Humptulips River Basins; 12035000 Satsop River near Satsop, WA" (PDF). United States Geological Survey. Retrieved 6 July 2009.
  5. ↑ General course info from USGS topographic maps accessed via the "GNIS in Google Map" feature of the USGS Geographic Names Information System website.
  6. 1 2 3 4 5 Calculated in Google Earth
  7. ↑ U.S. Geological Survey Geographic Names Information System: West Fork Satsop River
  8. ↑ U.S. Geological Survey Geographic Names Information System: Canyon River
  9. ↑ U.S. Geological Survey Geographic Names Information System: Little River
  10. ↑ U.S. Geological Survey Geographic Names Information System: Chapel Peak
  11. ↑ U.S. Geological Survey Geographic Names Information System: Dusk Point
  12. ↑ U.S. Geological Survey Geographic Names Information System: Anderson Butte
  13. ↑ U.S. Geological Survey Geographic Names Information System: East Fork Satsop River
  14. ↑ U.S. Geological Survey Geographic Names Information System: Stillwater Creek
  15. ↑ U.S. Geological Survey Geographic Names Information System: Middle Fork Satsop River
  16. ↑ U.S. Geological Survey Geographic Names Information System: Decker Creek
  17. ↑ Bright, William (2004). Native American placenames of the United States. University of Oklahoma Press. p. 422. ISBN   978-0-8061-3598-4 . Retrieved 10 April 2011.
  18. ↑ Ruby, Robert H.; John Arthur Brown (1992). A Guide to the Indian Tribes of the Pacific Northwest. University of Oklahoma Press. pp. 101, 105, 185. ISBN   978-0-8061-2479-7.
  19. ↑ Majors, Harry M. (1975). Exploring Washington. Van Winkle Publishing Co. p. 68. ISBN   978-0-918664-00-6.
  20. ↑ Kirk, Ruth; Carmela Alexander (1990). Exploring Washington's Past: A Road Guide to History. University of Washington Press. p. 458. ISBN   0-295-97443-5.
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