The Deaf Smith County (Texas, bordering New Mexico) was selected as an alternate
site for a possible nuclear waste disposal repository in the 1980s.
This site was later dropped on grounds of contamination of the aquifer,
the source of much of the water supply for west Texas.
In a study conducted by the U.S. Department of Energy, piezometric-head data
were obtained at 85 locations (irregularly scattered over the Texas panhandle)
by drilling a narrow pipe through the aquifer.
This data set has been used in numerous papers.
For instance, Cressie (1989) lists the data and uses it to illustrate kriging,
and Cressie (1993, section 4.1) gives a detailed description of the data
and results of different geostatistical analyses.