@misc{indiciaee00d02d0677d,
  title = {Biogeochemical sampling in the Mahd Adh Dhahab District, Kingdom of Saudi Arabia},
  author = {Richard J. Ebens and Hansford T. Shacklette and Ronald G. Worl},
  year = {1983},
  doi = {10.3133/ofr83330},
  url = {https://pubs.usgs.gov/publication/ofr83330},
  note = {Source identifier: ofr83330}
}