South Yamhill River information

South Yamhill River
South Yamhill River
	Bridge over the river at Sheridan
	Location of the mouth of South Yamhill River in Oregon
Etymology	Uncertain but probably after a local Kalapuya tribe
Location
Country	United States
State	Oregon
Counties	Polk and Yamhill
Physical characteristics
Source	Northern Oregon Coast Range
• location	Siuslaw National Forest, in western Yamhill County, Oregon
• coordinates	45°06′38″N 123°43′40″W / 45.11056°N 123.72778°W
• elevation	551 ft (168 m)
Mouth	Yamhill River
• location	between McMinnville and Dayton, Yamhill County, Oregon
• coordinates	45°13′33″N 123°08′41″W / 45.22583°N 123.14472°W
• elevation	75 ft (23 m)
Length	60 mi (97 km)
Basin size	492 sq mi (1,270 km2)
Discharge
• location	McMinnville, Oregon, 5.6 miles (9.0 km) from mouth
• average	1,801 cu ft/s (51.0 m3/s)
• minimum	0.58 cu ft/s (0.016 m3/s)
• maximum	47,100 cu ft/s (1,330 m3/s)

The South Yamhill River is a tributary of the Yamhill River, approximately 60 miles (97 km) long, in northwest Oregon in the United States. It drains an area of the Northern Oregon Coast Range, as well as part of the Willamette Valley west of the Willamette River.^[4]^[7]

^ ^a ^b ^c "South Yamhill River". Geographic Names Information System. United States Geological Survey. November 28, 1980. Retrieved August 8, 2010.
^ McArthur, Lewis A.; McArthur, Lewis L. (2003). Oregon Geographic Names (Seventh ed.). Portland, Oregon: Oregon Historical Society Press. p. 1063. ISBN 0-87595-277-1.
^ Source elevation derived from Google Earth search using GNIS source coordinates.
^ ^a ^b Cite error: The named reference topoquest multiple quads was invoked but never defined (see the help page).
^ "Map 1: The Yamhill River Basin & the Chehalem Valley" (PDF). Yamhill Basin Council. 2002. Archived from the original (pdf) on December 26, 2004. Retrieved January 22, 2009. The total is the sum of five subwatersheds: Upper Yamhill, Mill Creek, Salt Creek, Lower South Yamhill/Deer Creek, and Willamina Creek.
^ ^a ^b "Water-data report 2007: 14194150 South Yamhill River at McMinnville, OR" (pdf). United States Geological Survey. Retrieved January 22, 2009.
^ Cite error: The named reference topomap was invoked but never defined (see the help page).

[gnis-1] "South Yamhill River". Geographic Names Information System. United States Geological Survey. November 28, 1980. Retrieved August 8, 2010.

[McArthur-2] McArthur, Lewis A.; McArthur, Lewis L. (2003). Oregon Geographic Names (Seventh ed.). Portland, Oregon: Oregon Historical Society Press. p. 1063. ISBN 0-87595-277-1.

[source-3] Source elevation derived from Google Earth search using GNIS source coordinates.

[topoquest_multiple_quads-4] Cite error: The named reference topoquest multiple quads was invoked but never defined (see the help page).

[basin_map-5] "Map 1: The Yamhill River Basin & the Chehalem Valley" (PDF). Yamhill Basin Council. 2002. Archived from the original (pdf) on December 26, 2004. Retrieved January 22, 2009. The total is the sum of five subwatersheds: Upper Yamhill, Mill Creek, Salt Creek, Lower South Yamhill/Deer Creek, and Willamina Creek.

[gauge-6] "Water-data report 2007: 14194150 South Yamhill River at McMinnville, OR" (pdf). United States Geological Survey. Retrieved January 22, 2009.

[topomap-7] Cite error: The named reference topomap was invoked but never defined (see the help page).

South Yamhill River information

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