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At Siletz, the river receives Mill and Dewey creeks from the left. Following a series of meanders that carry it under Oregon Route 229 twice and almost completely around the city of Siletz, the river heads north, roughly parallel to Route 229, which runs near it all the way to Siletz Bay. In the next stretch, the river receives Tangerman ...
The Siletz River Volcanics, located in the Oregon Coast Range, United States, are a sequence of basaltic pillow lavas that make up part of Siletzia. [ 1 ] [ 2 ] The basaltic pillow lavas originally came from submarine volcanoes that existed during the Eocene .
The Grays River Volcanics of Washington and Tillamook Volcanics of Oregon are now considered post-Siletz.) [11] Elsewhere Siletzia is covered by younger volcanic and sedimentary deposits. The discovery of Siletzia began in 1906 with Arnold's description and naming of a small exposure on the north side of the Olympic Peninsula near Port Crescent ...
Roaring River (South Fork McKenzie River) Rogue River (Oregon) Rogue River (South Yamhill River) Row River; Salmon River (Clackamas County, Oregon) Salmon River (Lincoln County, Oregon) Salmonberry River; Salt Creek (Middle Fork Willamette River) Sandy River; Santiam River; Scoggins Creek; Shitepoke Creek; Shitten Creek; Siletz River; Siltcoos ...
Oregon Route 229 is an Oregon state highway that runs along the lower reaches of the Siletz River, on the central Oregon coast. The highway is also known as the Siletz Highway No. 181 (see Oregon highways and routes ).
In early December 2023, heavy rain triggered a flow that obliterated part of the North Fork Siletz River Road. It’s the final stretch in a network of remote roads leading to the trailhead west ...
Source data for the table below came from topographic maps created by the United States Geological Survey and published on-line by TopoQuest, [2] and from the Atlas of Oregon; [1] the Oregon Atlas and Gazetteer; [3] two federally produced geographic information system (GIS) datasets—the National Hydrography Dataset and the National Watershed ...
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