Covering the entire Lake Michiagan from Chicago to the the Straits of Mackinac, including Green Bay. Polyconic projection 1:300,000 (side A) and mercator projection 1:460,000 (side B). 24" x 36"
Covering the entire Lake Michiagan from Chicago to the the Straits of Mackinac, including Green Bay. Polyconic projection 1:300,000 (side A) and mercator projection 1:460,000 (side B). 24" x 36"