1832
none
1:550k
1798
Vancouver, George, 1757-1798
1:805k
1898
US Geological Survey
1:625k
1908
C&GS
1:1m
1898
A. Hoen & Co.
1827
Vandermaelen, Philippe, 1795-1869
1:2m
1943
United States Department of Commerce.
1970
Geological Survey (U.S.)
1:2m
1970
Geological Survey (U.S.)
1:2m
1909
United States. Alaska Road Commission
1:1m