@misc{indiciaec300f544c025, title = {Summary of Tertiary investigations in western Saudi Arabia, current work by the U.S. Geological Survey and recommended future studies}, author = {Donald G. Hadley and Dwight Lyman Schmidt and Robert Griffin Coleman}, year = {1983}, doi = {10.3133/ofr83487}, url = {https://pubs.usgs.gov/publication/ofr83487}, note = {Source identifier: ofr83487} }