Scale approximately 1:9,000,000 (W 125°--W 76°/N 50°--N 25°).
Note
"Note: The United States does not hold the lands ... and groups of Indians on the Oregon Coast are by statute no longer under Federal supervision (Sept. 1958)." Insets: Taholah and Tulalip Jurisdictions [western Washington State and southwestern British Columbia] -- Mission Jurisdictions exclusive of Santa Ynez [southern California] -- United Pueblos Jurisdiction exclusive of Zuni [New Mexico]. "Interior, Haskell Press, 9-58-336-25M." Ancillary maps of "Probable location of Indian tribes north of Mexico about 1500 A.D." and "Culture areas and approximate location of American Indian tribes today" on verso.