Death Valley Railroad was scrapped around 1925 after the closure of the Terry lumber mill following a devastating fire. Death Valley Railroad The Death Valley Railroad (DVRR) was a narrow gauge railroad that operated in California's Death Valley to carry borax with the route running from Ryan, California to the mines at Ryan C., located just east of Death Valley National Park, to Death Valley Junction, a distance of approximately 20 miles. When mining operations at the Lila C. Mine were declining around 1914, Pacific Coast Borax Company began scouting the land outside Furnace Creek for richer borax deposits. Once they found some
Death Valley pupfish is 4 times more saline than the ocean, hot water up to , and cold water down to . This species is known from only two locations in Death Valley: Salt Creek (subspecies "salinus") at about 49 meters below sea level, and Cottonball Marsh (subspecies "milleri"), at about 80 meters below sea level. They are thought to be the remainders of a large ecosystem of fish species that lived in Lake Manly, which dried up at the end of the last ice age leaving the present day Death Valley. The Salt Creek subspecies is also found at River Springs and