1901
U. S. Geological Survey
1:125k
1934
Mora, Jo (1876-1947)
1910
Clason
1876
1:634k
1877
Hanson, John
1:380k
1854
U.S. Lake Survey
1:200k
1866
Unknown
1881
1858
U.S. General Land Office
1:1m
1857
SWAN, James Gilchrist.