@misc{indiciaed76efaa3175a,
  title = {Selected surface-water, ground-water, and tracer data from the Elkhorn and Platte Rivers and the alluvium near Ashland, eastern Nebraska, 1991-97},
  author = {Ingrid M. Verstraeten and C.P. Stanton and R.L. Atkeson},
  year = {1998},
  doi = {10.3133/ofr98396},
  url = {https://pubs.usgs.gov/publication/ofr98396},
  note = {Source identifier: ofr98396}
}