@misc{indiciae50241e0fe9ea,
  title = {Landsat image map of the Wādī Ar Rikā' quadrangle, sheet 22G, Kingdom of Saudi Arabia},
  author = {U.S. Geological Survey and Saudi Arabia. Mudīrīyah al-ʻĀmmah lil-Tharwah al-Maʻdinīyah},
  year = {1981},
  url = {https://pubs.usgs.gov/publication/70160681},
  note = {Source identifier: 70160681}
}