Digital map of aquifer boundary for the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming
This digital data set represents the extent of the High Plains aquifer in the central United States. 
The extent of the High Plains aquifer covers 174,000 square miles in eight states; Colorado, 
Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. This data 
set represents a compilation of …