Martin, H. M. (1957). Geology of Ogemaw County. [Michigan Dept. of Conservation, Geological Survey Division].
Chicago Style (17th ed.) CitationMartin, Helen M. Geology of Ogemaw County. [Lansing]: [Michigan Dept. of Conservation, Geological Survey Division], 1957.
MLA (9th ed.) CitationMartin, Helen M. Geology of Ogemaw County. [Michigan Dept. of Conservation, Geological Survey Division], 1957.
Warning: These citations may not always be 100% accurate.