High Plains Groundwater Availability Study
USGS Groundwater Resources Program
High Plains Regional Groundwater (HPGW) Study
High Plains Ground Water Network
High Plains Water-Level Monitoring Study
High Plains Aquifer Water-Level Monitoring StudyWater-Level Changes in the High Plains Aquifer, 1980 to 1998
Kansas Geological Survey
Southern Ogallala GAM model
Northern Ogallala GAM model
Podcast Episode 11:USGS Scientist Steve Peterson Describes the HPGW Study (right click and chose save as)