Monongahela River

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The Monongahela River (/məˌnɒŋɡəˈhlə/ mə-NONG-gə-HEE-lə, /-ˈh-/ -HAY-)[1] — often referred to locally as the Mon (/mɒn/) — is a 130-mile-long (210 km)[2] 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[change | change source]

  1. There are several ways to pronounce this word that are acceptable. From "Geographical Names" of Merriam-Webster's Collegiate Dictionary, Eleventh Edition (2009): /məˌnɒnɡəˈhlə/, /məˌnɒɡəˈhlə/ or /məˌnɒŋɡəˈhlə/.
  2. U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed August 15, 2011