1856
U.S. Coast Survey
1:40k
1841
US Ex. Ex.
1:142k
1881
1:200k
1854
U.S. Lake Survey
1:200k
1866
Unknown
1:200k
1934
Mora, Jo (1876-1947)
1900
U.S. Coast Survey
1:200k
1870
White, Charles A.
1:253k
1877
Hanson, John
1:380k
1866
Campbell, Archibald
1:60k