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Website. www.usgs.gov. The United States Geological Survey (USGS), founded as the Geological Survey, is an agency of the U.S. Department of the Interior whose work spans the disciplines of biology, geography, geology, and hydrology. The agency was founded on March 3, 1879, to study the landscape of the United States, its natural resources, and ...
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 ).
River system. Allegheny River. The Conemaugh River is a 70-mile (110 km) tributary of the Kiskiminetas River in Westmoreland, Indiana, and Cambria counties in the U.S. state of Pennsylvania. [2] The name means 'Otter Creek', originating from the Unami-Lenape language word kwənəmuxkw 'otter'. [3][4][5]
Brandywine Creek[1][2] (also called the Brandywine River) is a tributary of the Christina River in southeastern Pennsylvania and northern Delaware in the United States. The Lower Brandywine (the main stem) is 20.4 miles (32.8 km) long [3] and is a designated Pennsylvania Scenic River with several tributary streams.
Pennsylvania Spatial Data Access (PASDA), the official public geospatial data clearinghouse for the Commonwealth of Pennsylvania marked its 18th year in 2014. PASDA, which has grown from a small website offering 35 data sets in 1996 to the expansive user-centered data clearinghouse that it is today, has become a staple of the GIS community in Pennsylvania.
This is a list of rivers in the continental United States by average discharge (streamflow) in cubic feet per second. All rivers with average discharge more than 15,000 cubic feet per second are listed.
The Allegheny River (/ ˌælɪˈɡeɪni / AL-ig-AY-nee) is a 325-mile-long (523 km) headwater stream of the Ohio River that is located in western Pennsylvania and New York in the United States. It runs from its headwaters just below the middle of Pennsylvania's northern border, northwesterly into New York, then in a zigzag southwesterly across ...
The Clarion River flows beneath I-80 (looking upstream). The Clarion River is a tributary of the Allegheny River, approximately 110 mi (177 km) long, in west central Pennsylvania in the United States. [1] It drains a rugged area of the Allegheny Plateau in the Ohio River watershed, flowing through narrow serpentine valleys and hardwood forests.