McGuire, V.L., 2014, Water-level changes and change in water in storage in the High Plains aquifer, predevelopment to 2013 and 2011–13: U.S. Geological Survey Scientific Investigations Report 2014–5218, 14 p., http://dx.doi. org/10.3133/sir20145218. Abstract The High Plains aquifer underlies 111.8 million…