1948 Map of Grand Coulee Dam

About this map

Grand Coulee Dam dominates the landscape along the Columbia River, marking a pivotal era of industrial and hydroelectric development. This survey, based on 1946 aerial photography, captures the newly formed Franklin D Roosevelt Lake and its surrounding settlements including Elmer City, Grand Coulee, and Coulee Dam. Beyond the massive concrete structure and its associated Pumping Plant, the map reveals the older rural character of the region. To the south, the intricate network of the Bonneville Power Transmission Lines cuts across the plateau, while local landmarks like the Grand Coulee Grange and Lafollette Cem provide valuable touchpoints for genealogists. The geography is defined by deep draws such as Broadax Draw and Childers Draw, illustrating the complex terrain adjacent to the Colville Indian Reservation.