@misc{indiciaea751590f835f,
  title = {Water-level changes in the northern high plains of Colorado, 1964 to 1976 and 1972 to 1976},
  author = {Ronald G. Borman and Thomas J. Major},
  year = {1977},
  doi = {10.3133/wri7742},
  url = {https://pubs.usgs.gov/publication/wri7742},
  note = {Source identifier: wri7742}
}