Spring PV-10 at Tipton Ranch in Pumpernickel Valley looking straight down into the spring (77°C). As of 2006, the Hot Springs (Tipton) Ranch area of Pumpernickel Valley has been leased to Nevada Geothermal Power Inc. and ORMAT Technologies Inc. for construction of a binary geothermal power plant. Photo by Lisa Shevenell. 9/12/2002