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The South Umpqua River is a tributary of the Umpqua River, approximately 115 miles (185 km) long, in southwestern Oregon in the United States. [4] It drains part of the Cascade Range east of Roseburg. The river passes through a remote canyon in its upper reaches then emerges in the populated South Umpqua Valley east of Canyonville.
In 1965, US Steel donated the Soudan Mine to the State of Minnesota to use for educational purposes. [5] The primary underground mining method used was known as cut and fill. This involved mining the ceiling and using Ely Greenstone and other waste rock to artificially raise the floor at the same rate as the ceiling was being mined out.
The Umpqua River (/ ˈ ʌ m p k w ə / UMP-kwə) on the Pacific coast of Oregon in the United States is approximately 111 miles (179 km) long. One of the principal rivers of the Oregon Coast and known for bass and shad, the river drains an expansive network of valleys in the mountains west of the Cascade Range and south of the Willamette Valley, from which it is separated by the Calapooya ...
Gold had been discovered in Douglas County as early as the 1860s. In 1891, China Ditch , a 33-mile (53 km) artificial waterway dug with the help of hundreds of Chinese workers, began diverting water from Little River in the North Umpqua River basin to North Myrtle Creek to make hydraulic dredging with large machines possible near the headwaters ...
Overview of Oregon river drainage basins. This is a partial listing of rivers in the state of Oregon, United States.This list of Oregon rivers is organized alphabetically and by tributary structure.
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The Minnesota River Valley follows the state's namesake, a fertile agricultural area, running from the South Dakota border to its junction with the Mississippi River in St. Paul. "Northern Minnesota" is a broader title that includes several regions, including the North Woods , and can be defined as any area within the 218 telephone area code.
Riddle is about 25 miles (40 km) south of Roseburg and 220 miles (350 km) south of Portland. It lies about 4 miles (6.4 km) west of Oregon Route 99 (Interstate 5) at an elevation of about 700 feet (210 m) above sea level. Cow Creek flows by Riddle before entering the nearby South Umpqua River. [8]