Annexation map dated 1934, showing the exact dates neighborhoods were added to the city of Portland, and the mechanism of each annexation. The map does not include streets or roads, but the Willamette and Columbia rivers are noted. The map shows annexations of unincorporated areas and the cities of Albina, East Portland, Sellwood, Linnton and St. Johns. A hand-drawn note indicates an annexation to SW Portland that took place November 2, 1948.