Map showing position of available aerial photographs of the Bonneville Dam area taken in 1939 as part of the OCSW railroad survey. Contemporary terrain, major roads, populated places, and the Columbia River are shown as points of comparison.
Relief shown by spot heights. Includes index to cities and towns. On verso: text, mileage table and 21 ancillary maps. Indicates beach vehicle accessibility.
Relief shown by spot heights. Includes index to cities and towns and population. Text, mileage table, 20 local route maps, and col. ill. on verso. Indicates beach vehicle accessibility.
Relief shown by spot heights. Title from panel. Includes index to cities and towns and population. Text, mileage table, 20 local route maps, and col. ill. on verso. Indicates beach vehicle accessibility.
Relief shown by spot heights. Includes index to cities and towns and population. Text, mileage table, 21 local route maps, and col. ill. on verso. Indicates beach vehicle accessibility.
