1995
1:5k
1900
Gannett, Henry
1:125k
1899
1:80k
1934
Mora, Jo (1876-1947)
1853
Bache, A. D.
1841
US Ex. Ex.
1:142k
1877
Hanson, John
1:380k
1901
U. S. Geological Survey
1910
Clason