1841
US Ex. Ex.
1:142k
1881
1:200k
1854
U.S. Lake Survey
1866
Unknown
Campbell, Archibald
1:60k
1877
Hanson, John
1:380k
1913
International Boundary Commission
1:63k
1910
Clason
1858
U.S. General Land Office
1:1m
1876
1:634k