Digital map of changes in water levels from predevelopment to 1980 for the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming
This digital data set consists of contours of predevelopment to
1980 water-level elevation changes for the High Plains aquifer
in the central United States.  The High Plains aquifer extends
from south of 32 degrees to almost 44 degrees north latitude and
from 96 degrees 30 minutes to 106 degrees west longitude.  The …