1956 Map of Baldy Mesa

In the southern portion of the sheet, the terrain rises into the San Bernardino National Forest, where steep canyons like Manzanita Wash begin to carve through the foothills. The presence of numerous labeled wells and water tanks highlights the critical importance of water management for these remote desert holdings. This survey captures the region just before the suburban expansion of the High Desert, preserving the locations of early 20th-century ranching infrastructure and the original routes of desert tracks like Oak Hill Road.