@misc{indiciae0f4224b2dd55,
  title = {Age and quality of ground water and sources of nitrogen in the surficial aquifers in Pumpkin Creek Valley, western Nebraska, 2000},
  author = {G. V. Steele and J. C. Cannia and S. S. Sibray and V. L. McGuire},
  year = {2005},
  doi = {10.3133/sir20055157},
  url = {https://pubs.usgs.gov/publication/sir20055157},
  note = {Source identifier: sir20055157}
}