1858
U.S. Lake Survey
1:10k
1938
1:20k
1852
Bache, A. D.
1:200k
1947
1:25k
1975
US Geological Survey
1:250k
1953
United States. Air Force
1:500k
1952
1965
1:24k
1895
United States. War Department
1:634k
1943
