1971 Map of Chandalar D-4

About this map

The North Fork Chandalar River winds through this Brooks Range corridor as it was documented in the early 1970s. This survey, compiled from 1970 aerial photography, illustrates a remote subarctic landscape defined by its high-latitude drainage systems and glacial features. Significant water bodies such as Hanging Lake and Reds Lake are situated near the confluence of Thru Creek, showing the natural hydrology before any modern development or infrastructure reached this section of the Yukon-Koyukuk region. In the southern portion of the quadrangle, Geroe Creek carves through the terrain, illustrating the intricate network of tributaries that feed the primary river system. The map reflects a period of intensive federal mapping in Alaska, coordinated by the U.S. Geological Survey and the Bureau of Land Management, preserving the untouched character of the land at the time of field annotation.