Water gaps are formed where a stream or river has cut a valley across some type of ridge. Pennsylvania’s water gaps are often associated with where streams and rivers have cut what are sometimes spectacular water gaps in the state’s Valley and Ridge Province. Often overlooked are numerous, but somewhat less specular water gaps found […]
Category archives for Valley Forge National Historical Park
This is the second essay in which Philadelphia area drainage systems and erosional landforms as seen on detailed topographic maps are viewed as pieces of a solvable puzzle. The puzzle solution assumes running water carved the landscape features and the puzzle problem is to determine how running water accomplished that task. Each essay presents one […]
The Schuylkill River between Phoenixville and Norristown makes several remarkable direction changes including two complete U-turns just upstream from Valley Forge National Historical Park. Other interesting Schuylkill River U-turns or perhaps incised meanders are found between Pottstown and Phoenixville, although this essay will focus on the U-turns between Phoenixville and Valley Forge National Historical Park. […]
The Valley Forge National Historical Park is located south of a northeast oriented Schuylkill River segment and at the east-northeast end of the ridge forming the Chester Valley west-northwest margin. Mount Joy in the Valley Forge Park is where the high ridge ends and west of the Mount Joy the ridge segments are named Mount […]
Phillylandforms.info 