Mazon River

The Mazon River or Mazon Creek (/məˈzɒn/), is a tributary of the Illinois River in the United States. The confluence is near Morris, Illinois.[1]

Mazon River
Location
Physical characteristics
Source 
  locationGreenfield Township, Grundy County, Illinois
  coordinates41°11′02″N 88°15′13″W
Mouth 
  location
Confluence with the Illinois River, Morris, Illinois
  coordinates
41°21′09″N 88°25′26″W
  elevation
489 ft (149 m)
Length28 mi (45 km)
Basin features
ProgressionMazon River → IllinoisMississippiGulf of Mexico
GNIS ID413173

The Mazon River is associated with the Mazon Creek fossils of the Francis Creek Shale, which are also exposed in strip mines and quarries near the River. This fossil bed includes well-preserved fossils from the Pennsylvanian period of the Paleozoic era and is a world-famous Lagerstätten site.

The Mazon River is approximately 28 miles (45 km) in length,[2] with the West Fork considered the main branch.

The river was named in honor of William Mason, a pioneer settler.[3]

Cities and counties

The following cities, towns and villages are within the Mazon watershed:

The following counties are at least partly drained by the Mazon River:

See also

References

  1. U.S. Geological Survey Geographic Names Information System: Mazon River
  2. U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-04-05 at WebCite, accessed May 13, 2011
  3. Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p. 202.


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