1900
U.S. Coast Survey
1:200k
1854
U.S. Lake Survey
1881
1866
Unknown
1910
Clason
1858
U.S. General Land Office
1:1m
1882
Bancroft, Hubert Howe.
1877
Hanson, John
1:380k
1876
1:634k
1853
Bache, A. D.
1:600k