Ohio River Tributary Watersheds: North
The Ohio River tributaries (north) watershed is located in northeastern Ohio. It drains a total of 640 square miles and flows through all or part of five counties. Major municipalities partially or fully in the watershed include Calcutta, Salem and Columbiana.
The southern and eastern portions of the watershed are predominantly comprised of forest with some areas of cultivated crops pasture and hay lands. The northern portion of the watershed is a mixture of cultivated crops, pasture and hay lands, forest and urban development.
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