1841
United States Exploring Expedition
1:63k
1853
Bache, A. D.
1:600k
Unknown
1877
Hanson, John
1:380k
1910
Clason
1899
Gannett, Henry
1:257k
1900
1858
U.S. General Land Office
1:1m
1876
1:634k
1973
Alpha, Tau Rho