1896
Van Hise, C.
1:13k
1873
Walling, H. F.
1:380k
1896
Van Hise, Charles Richard
1:630k
1936
Upper Peninsula Development Bureau
1973
NOS Lake Survey Center
1:120k
1946
U.S. Lake Survey
1:120k
1896
Van Hise, C.
1:63k
1880
Bolitho, Edwin
1896
Van Hise, Charles Richard
1:630k
1842
Tanner, Henry S.
1:1m