2012 Map of Silurian Hills

About this map

Valjean sits as a lonely marker in the high desert of San Bernardino County, situated within the broad expanse of the Valjean Valley. This 2012 survey by the U.S. Geological Survey documents a landscape dominated by the complex drainage patterns and arid slopes of the Silurian Hills. The map traces the sparse infrastructure that services this remote corridor, including Co Hwy-70555 and Riggs Rd. The absence of dense settlement reflects the environmental constraints of the Mojave region, where land use is defined more by the natural topography and the few arterial roads that cross it than by urban development. This map provides a detailed view of the alluvial fans and dry washes that characterize the local hydrology south of the hills.