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 National Park the larger Death Valley springs derive their water from a regional aquifer, which extends as far east as southern Nevada and Utah. Much of the water in this aquifer has been there for many thousands of years, since the Pleistocene ice ages, when the climate was cooler and wetter. Today's drier climate does not provide enough precipitation to recharge the aquifer at the rate at which water is being withdrawn. The highest range within the park is the Panamint Range with Telescope Peak being its highest point at . The Death Valley region is a transitional zone in the northernmost