tributaries left
| - East Branch Mahoning Creek, Jackson Run, Canoe Creek, Dutch Run, Carr Run, Little Mahoning Creek, Glade Run, Camp Run, Cave Run, Scrubgrass Creek (en)
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tributaries right
| - Stump Creek, Rock Run, Graffius Run, Elk Run, Sawmill Run, Rose Run, Nicely Run, Perryville Run, Foundry Run, Steer Run, Hamilton Run, Sugarcamp Run, Foundry Run, Pine Run, Little Mudlick Creek, Cathcart Run, Hamilton Run (en)
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