1880
1:507k
1934
U. S. Geogical Survey
1:250k
1934
1:250k
1849
Alaskan Boundary Tribunal
1:880k
1880
Dawson Brothers
1:3m
1882
Bancroft, Hubert Howe.
1882
Canadian Department of Railways & Canals
1:2m
1900
C&GS
1:600k
1869
U.S. Coast Survey
1798
Vancouver, George
1:1m