1954 Map of Hells Canyon

About this map

The Yampa River carves a deep path through the northern reaches of the Dinosaur National Monument, defining a landscape where ranching and isolation shaped early settlement. This mid-century survey highlights the footprint of the Mantle family, including the Mantle Ranch, the Mantle Sch, and the Mantle Summer Camp situated near Turner Creek. These sites, along with several family homesteads marked as abandoned such as the Fred Wall Place and Red Rock Ranch, provide a clear record of the high-desert pastoral life that persisted before many of these holdings were absorbed into the monument or left to the elements.