@misc{indiciaef5d1a6a63f3f, title = {Landsat image map of the Ḩarrat Ithnayn quadrangle, sheet 26D, Kingdom of Saudi Arabia}, author = {U.S. Geological Survey and Saudi Arabia. Deputy Ministry for Mineral Resources}, year = {1982}, doi = {10.3133/ofr273}, url = {https://pubs.usgs.gov/publication/ofr273}, note = {Source identifier: ofr273} }