1961
1:250k
1912
U.S. Lake Survey
1:120k
1857
Bouchette, Joseph Jun.
1:380k
1948
Hammond, C.S.
1:1m
1845
Meyer, Joseph, 1796-1856
1:2m
1874
Colton, C.B.
1:950k
1886
Colton, G.W.
1918
US NAVY HYDROGRAPHIC OFFICE
1:500k