Digital map of test-hole, registered-water well, and surface-geophysical log sites used to estimate elevation of base of the upper layer of the phase-three Elkhorn-Loup Model, north-central Nebraska
In 2006, a cooperative study was established to compile reliable data describing groundwater 
and surface-water interactions in the Elkhorn and Loup River Basins. The purpose of the study 
was to address state legislation that requires a sustainable balance between long term water 
supplies and uses of surface water …