1966 Map of Commissary Ridge

About this map

Caribou National Forest defines this high-altitude landscape in eastern Idaho, characterized by a complex system of prominent geographic spines including Commissary Ridge and the distinctively named Fourth of July Ridge. The 1966 field survey documents a remote wilderness environment where movement is dictated by a network of specialized routes, from the Skyline Road traversing southern heights to numerous pack trails and jeep trails that thread through deep drainages. Headwaters for local drainages like Fall Creek and North Fork Bear Creek emerge from the steep slopes of Lightning Ridge and Deadhorse Ridge. This map captures the area as it was managed in the mid-1960s, showing the intersection of forest boundaries and topographic landmarks like Flag Knoll and Three Knolls, serving as an essential reference for understanding the backcountry infrastructure of Bonneville County.