1952 Map of Ruby B-4

About this map

The Sulatna River winds through this interior landscape, creating a complex network of wetlands and oxbows that dominate the central corridor. Established by aerial photography in the early 1950s, the map reveals a wilderness shaped by drainage patterns where Bonanza Creek and Little Bonanza Creek join the main river valley. To the east, the Monzonite Hills rise sharply, anchored by the survey station at VABM 1251 Flint. This era of mapping shows a region largely defined by its natural watercourses, with only a single unnamed Trail cutting across the western hills near Tip Creek and Flint Creek. The lack of established roads or settlements at this date emphasizes the area's isolation within the Yukon-Koyukuk region.