@misc{indiciae552a128dabb1,
  title = {A hybrid machine learning model to predict and visualize nitrate concentration throughout the Central Valley aquifer, California, USA},
  author = {Katherine M. Ransom and Bernard T. Nolan and Jonathan A. Traum and Claudia C. Faunt and Andrew M. Bell and Jo Ann M. Gronberg and David C. Wheeler and Celia Zamora and Bryant C. Jurgens and Gregory E. Schwarz and Kenneth Belitz and Sandra M. Eberts and George Kourakos and Thomas Harter},
  year = {2017},
  doi = {10.1016/j.scitotenv.2017.05.192},
  url = {https://pubs.usgs.gov/publication/70187880},
  note = {Source identifier: 70187880}
}