The Ogallala aquifer median dissolved-solids concentration layer
Detailed Description
The Ogallala aquifer median dissolved-solids concentration layer shows points where groundwater-quality data were collected and indicate that most of the western part of the study area has dissolved solids that are less than or equal to 1000 milligrams per liter; and higher dissolved solids are present in the eastern part of the study area.
Sources/Usage
Public Domain.