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The Wissahickon Formation is a mapped bedrock unit in Pennsylvania, New Jersey, and Delaware. It is named for the Wissahickon gorge in Fairmount Park, Philadelphia. In Maryland formations, the term "Wissahickon" is no longer used. Rocks in this classification have since been divided into several units, such as Lower Pelitic Schist and Prettyboy ...
Craigslist headquarters in the Inner Sunset District of San Francisco prior to 2010. The site serves more than 20 billion [17] page views per month, putting it in 72nd place overall among websites worldwide and 11th place overall among websites in the United States (per Alexa.com on June 28, 2016), with more than 49.4 million unique monthly visitors in the United States alone (per Compete.com ...
Located in the southwest corner of the state, the Waynesburg hills are another major coal-producing area for the state. Much of the 64.4 billion tons of bituminous coal that is remaining in the state resides under these hills in near horizontal beds. The hills are narrow and steep-sided, with some deeper valleys. [3]
Wissahickon Creek is a tributary of the Schuylkill River in Montgomery and Philadelphia Counties, Pennsylvania. [1]Wissahickon Creek rises in Montgomery County, runs approximately 23 miles (37 km) passing through and dividing Northwest Philadelphia before emptying into the Schuylkill River at Philadelphia.
The village of Wissahickon was founded by officials of the Pencoyd Iron Works in the late nineteenth century. [1] Beginning in the 1880s, growing numbers of mill owners and wealthy business owners from neighboring Manayunk sought elegant homes on ample lots; they set their eyes on land previously owned by prominent Philadelphia families – including the Camac, Dobson, Salaignac, and Wetherill ...
Sandy Run is a second-order stream (according to the Strahler stream order) that is a tributary to the Wissahickon Creek at Fort Washington State Park.The headwaters are in Dresher and Roslyn, Pennsylvania, and the stream flows west for approximately 6 miles (9.7 km).
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This category contains the geologic formations with a schist lithology. Pages in category "Schist formations" The following 11 pages are in this category, out of 11 total.