1905
U. S. Geological Survey
1:63k
1956
Shell Oil Company
1944
Metsker, Charles Frederick
1:197k
1901
Murray-Aaron, Eugene, 1852-1941.
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
1899
Cram, George Franklin, 1841-1928
1888
Northern Pacific Railroad Company
1:380k