The Rock River is a 13.4-mile-long (21.6 km)[1] river on the Upper Peninsula of Michigan in the United States, flowing to Lake Michigan.

See also

References

  1. ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed December 19, 2011

46°05′03″N 85°32′02″W / 46.08417°N 85.53389°W / 46.08417; -85.53389


Allikas: http://en.wikipedia.org/wiki/Rock_River_(Lake_Michigan)
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