Relief shown by hachures. Includes area map, inset maps of Portland and Mount Hood Loop Drive, and text on verso. "Railways systems of State have been added to this map by the Portland Chamber of Commerce."
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.
