Sketch of Completed Triangulation of Wisconsin & Michigan July 1st 1875.*****SOLD***** - 1875 
United States Midwest Michigan
Antique hand colored map of the region surrounding Lake Michigan, including southern shore of Lake Superior, and Green Bay, with triangulation. Excellent condition, 21.75 x 12.25 inches.*****SOLD*****
Antique Hand Colored Map
Maker: U.S. Corps of Engineers

Maps of Antiquity is located on Cape Cod
Generally open 10-5
Call ahead: 508-945-1660

1409 Main Street (Route 28)
Chatham, Massachusetts 02633