1939
Adamson, Amy
1979
1:100k
1882
Bancroft, Hubert Howe.
1841
US Ex. Ex.
1:32k
1:16k
1:212k
1953
C&GS
1:20k
1884
Henderson, C.F.
1854
U.S. Lake Survey
1:200k
1980
1:250k