Monongahela River

The Monongahela River ( ,  )There are several ways to pronounce this word that are acceptable. From "Geographical Names" of Merriam-Webster's Collegiate Dictionary, Eleventh Edition (2009):  ,  or . — often referred to locally as the Mon () — is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map , accessed August 15, 2011 river on the Allegheny Plateau in north-central West Virginia and southwestern Pennsylvania, which flows from south to north. The Monongahela joins the Allegheny River to form the Ohio River at Pittsburgh.

References

Category:Rivers of West Virginia
Category:Rivers of Pennsylvania