@misc{indiciaed1292f7595cd,
  title = {Map showing ground-water velocities in the uppermost saturated alluvial deposits of the Tucson area, Arizona},
  author = {W. R. Osterkamp},
  year = {1974},
  doi = {10.3133/i844k},
  url = {https://pubs.usgs.gov/publication/i844K},
  note = {Source identifier: i844K}
}