@misc{indiciaea2693d1af24e,
  title = {Investigating local variation in groundwater recharge along a topographic gradient, Walnut Creek, Iowa, USA},
  author = {K. E. Schilling},
  year = {2008},
  doi = {10.1007/s10040-008-0347-5},
  url = {https://pubs.usgs.gov/publication/70035864},
  note = {Source identifier: 70035864}
}