@misc{indiciae31413ba57358,
  title = {Generalized isopach map of the Echooka Formation, eastern North Slope petroleum province},
  author = {G. H. Pessel and I.L. Tailleur},
  year = {1978},
  doi = {10.3133/mf928r},
  url = {https://pubs.usgs.gov/publication/mf928R},
  note = {Source identifier: mf928R}
}