Tag archives for Geist Reservoir

Crum Creek-Ridley Creek drainage divide near Geist Reservoir, Delaware County, PA

North of Media (Delaware County, PA) Crum Creek and Ridley Creek flow in closely spaced southeast oriented valleys and then turn to flow in south-southeast oriented valley. Geist Reservoir is an artificial lake flooding a Crum Creek valley segment. Both Crum Creek and Ridley Creek in this region are joined by northeast and north-northeast oriented […]