@misc{indiciae4dbe4a1b2170,
  title = {Availability and quality of ground water in the Ashland quadrangle, Jackson County, Oregon},
  author = {J. H. Robison},
  year = {1972},
  doi = {10.3133/ha421},
  url = {https://pubs.usgs.gov/publication/ha421},
  note = {Source identifier: ha421}
}