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The lake is a former channel of the Tualatin River, carved in basalt to the Willamette River.Eventually, the river changed course and abandoned the Oswego route. [1] [2]About 13,000 to 15,000 years ago, the ice dam that contained Glacial Lake Missoula ruptured, resulting in the Missoula Floods, which backed the Columbia River up the Willamette River.
The Tualatin River is a tributary of the Willamette River in Oregon in the United States. The river is about 83 miles (134 km) long, and it drains a fertile farming region called the Tualatin Valley southwest and west of Portland at the northwest corner of the Willamette Valley. There are approximately 500,000 people residing on 15 percent of ...
[14] [24] Today, the refuge spreads out over ten miles (16 km) along the Tualatin River, Rock Creek, and Chicken Creek, and is managed in five main sections (units): [9] Rock Creek, Onion Flats, Riverboat, Tualatin River, and Atfálat´i. [25] The refuge also includes the Tonquin scablands created by the Missoula Floods to the southeast of the ...
Sheets Lake 39 acres (16 ha) [3] Livingston County: Sheffer Lake 12 acres (4.9 ha) 30 feet (9.1 m) Allegan County: Shelldrake Lake 264 acres (107 ha) Chippewa County: Shellenbarger Lake 114 acres (46 ha) Crawford County: Shinanguag Lake 236 acres (96 ha) Genesee County: Shoreline Lake 125 acres (51 ha) Shiawassee County: Shupac Lake 105 acres ...
The Tualatin River flows mainly from the west to the east and leaves the valley in the southeast at West Linn in Clackamas County. Tualatin Valley's geographical center is located southeast of Hillsboro, and the general elevation of the valley is 180 feet (55 m) above sea-level .
Gales Creek arises at an elevation of 2,387 feet (728 m) above sea level and falls 2,233 feet (681 m) between source and mouth to an elevation of 154 feet (47 m). [ 3 ] [ 1 ] The stream begins at river mile (RM) 23.5 or river kilometer (RK) 37.8 on the north side of Round Top, a mountain in the Northern Oregon Coast Range.
The Elk River Chain of Lakes Watershed, commonly known as the Chain of Lakes, is a 75-mile-long (121 km) waterway consisting of 14 lakes and connecting rivers in the northwestern section of the Lower Peninsula of the U.S. state of Michigan, which empty into Lake Michigan.
Following is a list of dams and reservoirs in Michigan.. Major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3).