1930
US Geological Survey
1:500k
1898
A. Hoen & Co.
1827
Vandermaelen, Philippe, 1795-1869
1:2m
1980
Gerin, Marybeth
1909
United States. Alaska Road Commission
1:1m
1970
Geological Survey (U.S.)
1:2m
1912
1:500k
1925
Admiralty
1:1m
1925
Admiralty
1:2m
1852
Russian Hydrographic Office
1:3m