Category archives for Crum Creek-Ridley Creek divide

Barbed tributaries and aligned drainage near Media, Delaware County, PA

Media (Delaware County, PA) is located on the relatively narrow drainage divide between south oriented Crum Creek and south-southeast oriented Ridley Creek. Northeast oriented and barbed tributaries drain to Crum Creek and to Ridley Creek from the west and tributaries to both creeks from the east are oriented in southwest directions. The northeast and southeast […]

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 […]