@misc{indiciaec357a4bc058e,
  title = {Geohydrology and ground-water-flow simulation of the Surprise Spring basin aquifer system, San Bernardino County, California},
  author = {C.J. Londquist and P.R. Martin},
  year = {1991},
  doi = {10.3133/wri894099},
  url = {https://pubs.usgs.gov/publication/wri894099},
  note = {Source identifier: wri894099}
}