@misc{indiciaed4d3c55ccfec,
  title = {Preliminary geologic and structure contour maps of the Big Rock Hill Quadrangle, McKinley County, New Mexico},
  author = {A. R. Kirk and R. S. Zech},
  year = {1978},
  doi = {10.3133/ofr78115},
  url = {https://pubs.usgs.gov/publication/ofr78115},
  note = {Source identifier: ofr78115}
}