DS-777 Spatial Location of the Active and Inactive areas of the Model Boundary for the Northern High Plains Groundwater-Flow Model in Parts of Colorado, Kansas, Nebraska, South Dakota, and Wyoming
This data set defines the boundary of the northern High Plains aquifer. It is one of 
many developed in support of The High Plains Groundwater Availability Project 
and the U.S. Geological Survey Data Series Report: Geodatabase Compilation 
of Hydrogeologic, Remote Sensing, and Water-Budget-Component data for the …