@misc{indiciaeaf4d51b7758f,
  title = {Water-table contours in the vicinity of Sterling, Colorado, March 1968},
  author = {Paul A. Schneider and Donald R. Albin},
  year = {1968},
  doi = {10.3133/ofr69240},
  url = {https://pubs.usgs.gov/publication/ofr69240},
  note = {Source identifier: ofr69240}
}