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www.usgs.gov. The United States Geological Survey (USGS), founded as the Geological Survey, is an agency of the United States government 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 the natural ...
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 ).
Chartiers Creek. Chartiers Creek is a tributary of the Ohio River in Western Pennsylvania in the United States. The creek was named after Peter Chartier, [6] a trapper of French and Native American parentage who established a trading post at the mouth of the creek in 1743.
Pennsylvania 's physiographic provinces. The Coal Region of Northeastern Pennsylvania has abundant anthracite coal, a high-value energy source. The Geology of Pennsylvania consists of six distinct physiographic provinces, three of which are subdivided into different sections. Each province has its own economic advantages and geologic hazards ...
Conneaut Creek / ˈkɒni.ɒt / is a 43.5-mile (70.0 km) tributary of Lake Erie in northwestern Pennsylvania and northeastern Ohio in the United States. [ 4] Via Lake Erie, the Niagara River and Lake Ontario, it is part of the watershed of the St. Lawrence River, which flows to the Atlantic Ocean . Conneaut Creek rises in western Crawford County ...
Little Juniata River. The Little Juniata River, sometimes called the " Little J ", is a 32.1-mile-long (51.7 km) [ 1] tributary of the Juniata River in the Susquehanna River watershed of Pennsylvania. It is formed at Altoona by the confluence of several short streams. It flows northeast in the Logan Valley at the foot of Brush Mountain .
USGS Geographic Names Information System ; USGS Hydrologic Unit Map - State of Pennsylvania (1974) Shaw, Lewis C. (June 1984). Pennsylvania Gazetteer of Streams Part II (Water Resources Bulletin No. 16). Prepared in Cooperation with the United States Department of the Interior Geological Survey (1st ed.).
The Pennsylvania Geological Survey, or Bureau of Topographic and Geologic Survey (BTGS), is a geological survey enacted by the Pennsylvania General Assembly "to serve the citizens of Pennsylvania by collecting, preserving, and disseminating impartial information on the Commonwealth's geology, geologic resources, and topography in order to contribute to the understanding, wise use, and ...