Death Valley '49ers finally discovered and rescued by Mexican Californios cowboys from Rancho Ex-Mission San Fernando, located near present-day Santa Clarita Valley. Death Valley '49ers The Death Valley '49ers were a group of pioneers from the Eastern United States that endured a long and difficult journey during the late 1840s California Gold Rush to prospect in the Sutter's Fort area of the Central Valley and Sierra Nevada in California. Their route from Utah went through the Great Basin Desert in Nevada, and Death Valley and the Mojave Desert in Southern California, in attempting to reach the Gold Country. On January 24, 1848, James
Geology of the Death Valley area laterally over the surface, laying down cobbles, sand, and mud. Outcrops of the resulting conglomerates, sandstone, and mudstone of the Titus Canyon Formation can be observed in road cuts at Daylight Pass on Daylight Pass Road, which becomes State Route 374 a short distance from the pass. Several other similar formations were also laid down. Large volcanic eruptions, originating near the Nevada Test Site, covered the Death Valley area and much of Nevada in thick sequences of silica-rich ash 27 million years ago. The ash has a rhyolitic composition, which is the volcanic equivalent of the plutonic rock granite; it