How To Use Monongahela river In A Sentence

• A borough of southwest Pennsylvania, a suburb of Pittsburgh on the Monongahela River. Population, 21,923.
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• On Oct. 26, 1948, a temperature inversion laid a blanket of cold, stagnant air over Donora, Pa., a tiny mill town on the Monongahela River.
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• Pittsburgh is located at the confluence of the Allegheny and Monongahela rivers
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• A borough of southwest Pennsylvania, a suburb of Pittsburgh on the Monongahela River . Population, 2, 923.
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