Outline of the geologic history of Hillsdale County /

Bibliographic Details
Main Author:	Martin, Helen M. (Helen Mandeville), 1889-1973
Corporate Author:	Michigan. Geological Survey Division
Format:	Book
Language:	English
Published:	[Lansing] : [Michigan Dept. of Conservation, Geological Survey Division], [1957]
Subjects:	Geology > Michigan > Hillsdale County.

Description
Physical Description:	11 : maps, diagrams