Valley Creek originates as a north oriented stream along the Chester Valley south wall and turns in an east-northeast direction to flow along the Chester Valley floor, but before reaching the southeast oriented Schuylkill River turns in a north direction to cross the Chester Valley north wall between Mount Joy and Mount Misery and to […]
Category archives for Chester Valley
Two completely different Valley Creeks originate almost adjacent to each other in the South Valley Hills near Glenloch (between Malvern and Exton) and then flow parallel to each other in a north direction in deep narrow valleys down a steep slope onto the west-southwest to east-northeast oriented Chester Valley floor where the eastern Valley Creek […]
The Paoli-Thorndale Regional Rail Line is unique among the SEPTA Regional Rail Lines in that between Ardmore and Malvern it follows the Schuylkill-Delaware River drainage divide and further west crosses the Schuylkill-Delaware River divide along the Chester Valley south wall. The Paoli-Thorndale Regional Rail Line, which was originally the Pennsylvania Railroad main line and which […]
Introduction: Trains on the Norristown High Speed Line (NHSL) require approximately 30 minutes to travel 13.4 miles from SEPTA’s 69th Street Terminal to the Norristown Transportation Center, yet that relatively short trip involves crossing several creeks and a major river, climbing up and down as several drainage divides are crossed, passing through a water gap, […]
To date this website has used simple map interpretation methods when interpreting Philadelphia area landform origins and previous researcher interpretations have not been mentioned. While multiple Philadelphia area geologic and geographic studies have been conducted over the past 150 years origins of most landforms interpreted here have never been addressed at least in a way […]
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 […]
The Chester Valley is a narrow lowland extending from near the southeast oriented Susquehanna River valley in an east-northeast direction almost to the southeast oriented Schuylkill River valley. The Pennsylvania Geologic Survey web applications map shows the Chester Valley to be underlain by easily eroded carbonate rocks. The Chester Valley north rim (North Valley Hills) […]
Christiana is a small community located about 50 miles west of Philadelphia and just north of a water gap where East Branch Octoraro Creek headwaters cross the North Valley Hills. South of that water gap the East Branch Octoraro Creek flows across the east-northeast oriented Chester Valley and then flows through another water gap as […]
The Chester Valley between Parkesburg and Coatesville is an east-northeast oriented segment of a much longer through valley and includes the drainage divide between south oriented Buck Run at Pomeroy and south oriented West Branch Brandywine Creek at Coatesville. West Branch Brandywine Creek flows from the 600-700 foot high North Valley Hills (north of the […]
The Chester Valley between Coatesville and Dowingtown is an east-northeast oriented through valley linking south oriented West Branch Brandywine Creek with south oriented East Branch Brandywine Creek. West Branch Brandywine Creek flows from the 500-600 foot high North Valley Hills (north of the Chester Valley) to enter and cross the less than 350-foot high Chester […]
Figure 1: Chester Valley segment between Valley Creek and East Brandywine Creek showing East Brandy Creek and Valley Creek valleys in the South Valley Hills. United States Geological Survey map digitally presented using National Geographic TOPO software. One the Philadelphia region’s most easily recognized landforms is the Chester Valley, which extends in an east-northeast direction […]
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