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
Death Valley wagon trains. During the 1850s, gold and silver were extracted in the valley. In the 1880s, borax was discovered and extracted by mule-drawn wagons. On the afternoon of July 10, 1913, the United States Weather Bureau recorded a high temperature of 134 °F (56.7 °C) at Greenland Ranch (now Furnace Creek) in Death Valley. This temperature stands as the highest ambient air temperature ever recorded at the surface of the Earth. (A report of a temperature of 58 °C (136.4 °F) recorded in Libya in 1922 was later determined to be inaccurate.) Death Valley National Monument was proclaimed on February