1936
Upper Peninsula Development Bureau
1873
Walling, H. F.
1:380k
1935
U.S. Lake Survey
1:15k
1964
U.S. Lake Survey
1:80k
1878
Snyder, Van Vechten & Co.
1:380k
1936
Upper Peninsula Development Bureau
1940
U.S. Dept. of Agriculture Bureau of Soils
1:63k
1878
Snyder, Van Vechten & Co.
1:253k
1932
Wright, John K.
1911
1:120k