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One of the original counties at the formation of Pennsylvania: The English city of Chester in the county of Cheshire: 549,784: 760 sq mi (1,968 km 2) Clarion County: 031: Clarion: 1839: Parts of Venango and Armstrong Counties: Clarion River, itself so named for its clarity 36,970: 609 sq mi (1,577 km 2) Clearfield County: 033: Clearfield: 1804
A stress fracture is a fatigue-induced bone fracture caused by repeated stress over time. Instead of resulting from a single severe impact, stress fractures are the result of accumulated injury from repeated submaximal loading, such as running or jumping.
A more definitive mapping of fracture zones, including many with no official name, or not meeting the criteria for inclusion on this map, based on the 2015 project of Wessel et al., [1] exists as of 2018. [2]. This page is used on multiple pages and has complex logic so any alteration should be checked as a minor typo can break display on ...
The following is a list of the mapped bedrock units in Pennsylvania. The rocks are listed in stratigraphic order. The rocks are listed in stratigraphic order. [ 1 ]
Map of the United States with Pennsylvania highlighted. There are 56 municipalities classified as cities in the U.S. state of Pennsylvania. [1] Each city is further classified based on population, with Philadelphia being of the first class, Pittsburgh of the second class, Scranton of the second class A, and the remaining 53 cities being of the third class.
intra articular comminuted fracture of base of first metacarpal: axial load along the metacarpal causing splitting of the proximal articular surface: Rolando's fracture at Wheeless' Textbook of Orthopaedics online Runner's fracture: Running: stress fracture of distal fibula 3–8 cm above the lateral malleolus: repeated axial stress on fibula
Wyoming Valley and the Susquehanna River in Luzerne County. Detached from the rest of Pennsylvania's anthracite fields, this canoe-shaped valley is also known as the Wyoming Valley and is home to the cities of Scranton and Wilkes-Barre. The largest city in the Wyoming Valley is Scranton, with a population of 77,291
Following is a list of dams and reservoirs in Pennsylvania. All 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 ).