(unnamed)

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(unnamed) flows into Ohio River , which it joins at N 40° 34′ 23″, W 80° 13′ 42″ at OSM node n56279359, and there 11,559 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Big Sewickley Creek, which joins it at N 40° 34′ 26″, W 80° 13′ 36″ at OSM node n3950993668, and 84 km of total upstream flows in.
load it's tributaries