1st Order = Blue
2nd Order = Green
3rd Order = Yellow
4th Order = Orange
5th Order = Red
For statewide map above and zoom maps below:
Northern Michigan Rivers
1st Order = Blue
2nd Order = Green
3rd Order = Yellow
4th Order = Orange
5th Order = Red
Central Michigan Rivers (note 5th order Saginaw and Grand Rivers occupy
former postions of Glacial Lake Saginaw and Glacial Grand River drainage)
1st Order = Blue
2nd Order = Green
3rd Order = Yellow
4th Order = Orange
5th Order = Red
Southern Michigan Rivers (Note interception of 3rd order Huron River
from southwest to southeast flow across Fort Wayne moraine in northern
Washtenaw county and southern Livingston county)
1st Order = Blue
2nd Order = Green
3rd Order = Yellow
4th Order = Orange
5th Order = Red