1971 Map of Chandalar D-6

About this map

Gates of the Arctic National Park encompasses the western portion of this landscape, established as the North Slope Borough Boundary cuts across the northern terrain. The central corridor is dominated by the Dietrich River, which flows through a wide valley flanked by the towering heights of Table Mountain and Snowden Mountain. A defining feature of this era is the inclusion of The Trans-Alaska Pipeline, shown tracing the river valley. This infrastructure represents a significant shift in the land use of the Brooks Range during the early 1970s, as industrial development intersected with pristine wilderness. Numerous tributaries, including Kuyuktuvuk Creek, Nutirwik Creek, and Mathews River, carve through the high-elevation topography, illustrating the complex drainage patterns that define this subarctic environment before more modern modifications.