1961
1:250k
1961
1:250k
1961
1:250k
1912
U.S. Lake Survey
1:120k
1857
Bouchette, Joseph Jun.
1:380k
1857
Bouchette, Joseph Jun.
1:380k
1940
Rand McNally and Company
1:1m
1881
MacDonald, D
1:625k
1967
NOS Lake Survey Center
1:500k
1948
Hammond, C.S.
1:1m