Monongahela River

The Monongahela River (/məˌnɒŋɡəˈhiːlə/ mə-NONG-gə-HEE-lə, /-ˈheɪ-/ HAY-) — often referred to locally as the Mon (/mɒn/) — is a 130-mile-long (210 km) 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

  1. ↑ There are several ways to pronounce this word that are acceptable. From "Geographical Names" of Merriam-Webster's Collegiate Dictionary, Eleventh Edition (2009): /məˌnɒnɡəˈhiːlə/, /məˌnɒɡəˈhiːlə/ or /məˌnɒŋɡəˈheɪlə/.
  2. ↑ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2017-08-23 at the Wayback Machine, accessed August 15, 2011