State of Michigan river basins.

Bibliographic Details
Corporate Author:	Michigan. Geological Survey Division
Format:	Map
Language:	English
Published:	[Lansing] : [The Survey], [between 1970 and 1979?]
Subjects:	Hydrology > Michigan > Maps. Michigan > Maps.

Description
Item Description:	Inset: Key to counties. Map.
Physical Description:	1 map : blue line print ; 114 x 86 cm.