Relief shown by hachures and spot heights. Includes index to cities and towns, with populations. On verso: Distance map of western and central United States, map of surrounding states, map of Portland-Salem corridor, "Map showing most direct highway connections through the city of Portland" scale [ca. 1:120,00], table of distances from Portland, and text.
Relief shown by hachures and spot heights. Includes index to cities and towns with populations. On verso: Distance map of western and central United States, map of surrounding states, map of Portland-Salem corridor, "Map showing most direct highway connections through the city of Portland," table of distances from Portland, and Oregon traffic regulations.