The Death Valley expedition 1891, with Descriptions of New Species"". The Death Valley expedition The Death Valley expedition was an 1891 expedition to discover the geographic distributions of plants (phytogeography) and animals in California's Death Valley. It was the first of a series of expeditions funded by an 1890 act of the United States Congress. The expedition included biologists, naturalists, botanists, and zoologists. They produced valuable reports of historic significance in several fields, including ""Botany of the Death Valley Expedition"", "“The Death Valley Expedition: A Biological Survey of Parts of California, Nevada, Arizona, and Utah”", and ""Annotated List of the Reptiles and Batrachians Collected
Death Valley Moving masses of super-heated air blow through the valley creating extremely high temperatures. The hottest air temperature ever recorded in Death Valley was on July 10, 1913, at Furnace Creek, which is the highest atmospheric temperature ever recorded on earth. During the heat wave that peaked with that record, five consecutive days reached or above. Some meteorologists dispute the accuracy of the 1913 temperature measurement. The highest surface temperature ever recorded in Death Valley was on July 15, 1972, at Furnace Creek, which is the highest ground surface temperature ever recorded on earth, as well as the only recorded surface