Death Valley Unified School District Death Valley Unified School District Death Valley Unified School District (DVUSD) is a public school district in Inyo County, California. It consists of five schools: DVUSD is the largest school district in California in terms of square miles covered, but one of the smallest in terms of student enrollment. In 2012 the entire district served only 60 students. DVUSD is located in eastern Inyo County and borders the state of Nevada. It serves the entire southeast region of Inyo County and covers approximately of the Mojave Desert. The total population within this region is about 1,000, and DVUSD is the
Death Valley pupfish Soda Lake, in Death Valley National Park. The desert pupfish has been classified as endangered by the IUCN due to its extremely restricted distribution (if the two extant locations were treated as a single unit, it would be considered critically endangered). Numbers of individuals at the locations are highly seasonally variable, and fluctuate with water level and flow volume. While the entire range of the species is located in a protected area, it may be under threat from accidental introduction of non-native species, local catastrophic events, and excessive pumping of the aquifer that feeds the habitat. Death Valley pupfish The