@misc{indiciaecb6c5fa5ed4d,
  title = {Preliminary geologic map of the San'a Qa'tabah, Ibb, Zabib, and Bajil area, Yemen Arab Republic, Landsat-1 image No. 1189-06561},
  author = {Maurice J. Grolier and William C. Overstreet},
  year = {1976},
  doi = {10.3133/ofr76742},
  url = {https://pubs.usgs.gov/publication/ofr76742},
  note = {Source identifier: ofr76742}
}