Figure 2.
Landsat images of Las Vegas, Nevada, USA, in 1984 (left) and 2016 (right) showing the loss of light-colored Quaternary wetland deposits to urban expansion. The boundaries of Tule Springs Fossil Beds National Monument (TUSK), which preserve nearly 23,000 acres of the wetland deposits, are shown in the righthand image. Images are courtesy of the Earth Resources Observation and Science (EROS) Center.