@misc{indiciaec80f976d1cc7,
  title = {Graded layering in the Al Hadah pluton near At Ta'if, Kingdom of Saudi Arabia},
  author = {Donald G. Hadley and William R. Greenwood},
  year = {1977},
  doi = {10.3133/ofr77594},
  url = {https://pubs.usgs.gov/publication/ofr77594},
  note = {Source identifier: ofr77594}
}