@misc{indiciae9b561c137d27,
  title = {Structure contour map on top of the undifferentiated Silurian and Devonian rocks in southeastern New Mexico},
  author = {Leon Boyd Haigler and Richard R. Cunningham},
  year = {1972},
  doi = {10.3133/om218},
  url = {https://pubs.usgs.gov/publication/om218},
  note = {Source identifier: om218}
}