Groundwater-level change contours for the Lahontan Valley shallow aquifer near Fallon, Nevada, 1992-2012

These contours represent water level change in the shallow aquifer in Lahontan Valley from 1992 - 2012 based on depth-to-groundwater measurements made in 73 wells in...这些等值线以73口井的地下水埋深测量数据为基础，表征了1992年至2012年拉洪坦谷地（Lahontan Valley）浅层含水层的水位变化。