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Powderly Creek : ウィキペディア英語版 | Powderly Creek
Powderly Creek (also known as Powderly Brook) is a tributary of the Lackawanna River in Lackawanna County, Pennsylvania, in the United States. It is approximately long and flows through Carbondale Township and Mayfield. The watershed of the creek has an area of . The creek is an impaired stream. It is impacted by flow loss and is also affected by acid mine drainage. Its waters tend to be acidic. The watershed of the creek is in the Appalachian Mountain Section of the Ridge and Valley physiographic province. The main rock formations in the watershed include interbedded sedimentary rock and sandstone. Culm and silt are deposited in the creek's vicinity and it flows through a large silt basin known as the Bushwick silt basin. A major underground coal fire is burning on a hill near the creek. The watershed of Powderly Creek is mainly forested, but open fields, abandoned mine land, and residential development occur as well. The creek is a first-order stream, but has a small reservoir. Strip mining was historically done in the creek's watershed and there are three active mining permits remaining, as of the 2000s. The Langcliff Colliery and the Powderly Colliery also operated in the creek's vicinity. In 1991, channelization work was done on a reach of the creek. Powderly Creek is designated as a Coldwater Fishery and a Migratory Fishery. ==Course== Powderly Creek begins in a valley in Carbondale Township. It flows south-southeast for several hundred feet before turning south-southwest for a few tenths of a mile and entering a lake. From the southwestern edge of the lake, it flows west-southwest before gradually turning west-northwest and then north. The creek then turns west-southwest for several tenths of a mile and crosses Meredith Street before turning southwest and entering Mayfield. A few tenths of a mile further downstream, it turns west and reaches its confluence with the Lackawanna River.〔 Powderly Creek joins the Lackawanna River upriver of its mouth.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Powderly Creek」の詳細全文を読む
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