Mackinac and Bois Blanc Islands, Mackinac County, Michigan / Glenn S. Smith, division engineer ; compiled from aerial photos taken by Air Corps, U.S. Army.

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.) Michigan. Geological Survey Division
Other Authors:	Smith, Glenn S. (Glenn Shepard)
Language:	English
Published:	[Washington, D.C.] : [Lansing, Mich.] : State of Michigan, Dept. of Conservation, Geological Survey Division, Department of the Interior, U.S. Geological Survey ; 1931.
Subjects:	Mackinac Island (Mich. : Island) > Maps. Bois Blanc Island (Mich.) > Maps. Round Island (Mich.) > Maps. Maps.
Genre:	Maps.
Physical Description:	1 map : color ; 73 x 82 cm
Cartographic Data:	Scale 1:31,680 ; Polyconic projection (W84°40ʹ00--̋W84°20ʹ00/N̋45°55ʹ00--̋N45°42ʹ30).̋
Format:	Government Document Map

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