@misc{indiciaec07ebd062cb8,
  title = {Annual report of the USGS Mission, Kingdom of Saudi Arabia, for the second year of the fifth extension of the USGS-MPMR work agreement : fiscal year 1399/1400 : 1 Rajab 1399-29 Jumad Thani 1400 (27 May 1979-14 May 1980)},
  author = {U.S. Geological Survey Saudi Arabia Mission},
  year = {1980},
  url = {https://pubs.usgs.gov/publication/70157384},
  note = {Source identifier: 70157384}
}