1930
Longview Chamber of Commerce
1888
C&GS
1:40k
1945
United States Department of Commerce.
1:40k
1844
Duflot de Mofras, Eugene
1:310k
1943
United States. Office of War Information
1:750k
1915
Portland Chamber of Commerce
1870
White, Charles A.
1:253k
1905
Oregon Railway and Navigation Company
1888
Northern Pacific Railroad Company
1:380k
1891
Amerine, C.H.
1:380k