Death Valley Earth at 134 °F (56.7 °C) on July 10, 1913, as well as the highest recorded natural ground surface temperature on Earth at 201 °F (93.9 °C) on July 15, 1972. Located near the border of California and Nevada, in the Great Basin, east of the Sierra Nevada mountains, Death Valley constitutes much of Death Valley National Park and is the principal feature of the Mojave and Colorado Deserts Biosphere Reserve. It is located mostly in Inyo County, California. It runs from north to south between the Amargosa Range on the east and the Panamint Range on the west; the
Death Valley Days (radio program) every one of the "Death Valley Days" scripts for 31 years -- which amounts to more than 1,000 stories." For most of its time on the air, "Death Valley Days" was sponsored by the Pacific Borax Company, manufacturer of 20 Mule Team Borax. Dunning wrote: "The show immediately established its ties to the sponsor." The third episode dealt with finding borax at Furnace Creek, and several episodes dealt with 20-mule teams. Procter & Gamble and American Chicle Company became sponsors of "The Sheriff" in 1951. Death Valley Days (radio program) Death Valley Days was a radio Western in the United