A valley is a relatively large hollow or depression bounded by hills or mountains on Earth's surface that is developed by stream erosion or glacial activity and that is drained externally. A basin is another hollow or depression on Earth's surface, but it has no outlet to drain the water.
Location in Allegheny County and the state of Pennsylvania. Gibsonia is an unincorporated community and census-designated place in Richland Township, Allegheny County, in the U.S. state of Pennsylvania, north of the city of Pittsburgh. It had a population of 2,733 at the 2010 Census. Its ZIP code is 15044.
Welcome to Liverpool, Perry County, Pennsylvania. Liverpool is located on the west bank of the Susquehanna River about 30 miles north of Harrisburg, the Pennsylvania State Capital. Originally laid out in 1808, Liverpool served as a hub of business activity for the Pennsylvania canal through the 1800's.