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 Railroad train ran per day bringing food and water to the workers at the Ryan mine, and bought ore back late in the afternoon. After better deposits of borax were discovered at Boron, the Death Valley Railroad tried to resort to tourist operations by bringing in a Brill railcar to transport tourists to the old mines. Due to a lack of profit from tourists and freight trains and the closure of the mines, the railroad closed in 1931. Much of the railroad ran parallel to what is today State Route 190. After this railroad ceased operations, the United States Potash Company