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 […]
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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 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) […]
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 […]
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