@misc{indiciae623ff15029f1,
  title = {Digital spatial data for observed, predicted, and misclassification errors for observations in the training dataset for nitrate and arsenic concentrations in basin-fill aquifers in the Southwest Principal Aquifers study area},
  author = {Tim S. McKinney and David W. Anning},
  year = {2012},
  doi = {10.3133/ds697},
  url = {https://pubs.usgs.gov/publication/ds697},
  note = {Source identifier: ds697}
}