@misc{indiciae10bd8da1faf3,
  title = {Geology, altitude, and depth of the bedrock surface; altitude of the water table in 1980; and saturated thickness of the Ogallala aquifer in 1980 in the southern High Plains of Colorado},
  author = {Ronald G. Borman and Thomas S. Meredith and Sean M. Bryn},
  year = {1984},
  doi = {10.3133/ha673},
  url = {https://pubs.usgs.gov/publication/ha673},
  note = {Source identifier: ha673}
}