@misc{indiciae1cd6d4b07ce8,
  title = {Map showing water-level decline in the alluvial aquifer, spring 1964 to spring 1974, upper Black Squirrel Creek basin, Colorado},
  author = {Donald L. Bingham and John M. Klein},
  year = {1974},
  doi = {10.3133/70197610},
  url = {https://pubs.usgs.gov/publication/70197610},
  note = {Source identifier: 70197610}
}