1930
US Geological Survey
1:500k
1980
Gerin, Marybeth
1898
A. Hoen & Co.
1827
Vandermaelen, Philippe, 1795-1869
1:2m
1909
United States. Alaska Road Commission
1:1m
1912
1:500k
1902
US Geological Survey
1:1m
1898
Davidson, George
1:4m
1898
Geological Survey (U.S.)
1:4m
1833
Brue, Adrien Hubert, 1786-1832
1:6m