@misc{indiciaecc9e0fec51a2,
  title = {Subsurface geology of the Dakota sandstone in the oil-fields area of the Denver basin, Colorado and Nebraska},
  author = {N. Wood Bass},
  year = {1958},
  doi = {10.3133/ofr5810},
  url = {https://pubs.usgs.gov/publication/ofr5810},
  note = {Source identifier: ofr5810}
}