TY - RPRT TI - Preliminary geophysical investigation of the Esh Qay'ib (Esh Sha'ib) mine area, Saudi Arabia AU - Willard Edwin Davis AU - Hisham Kazzaz PY - 1970 DO - 10.3133/ofr7098 UR - https://pubs.usgs.gov/publication/ofr7098 ID - ofr7098 ER -