TY  - RPRT
TI  - Geologic map of the southeastern Rub Al Khali quadrangle, Kingdom of Saudi Arabia
AU  - Leon F. Ramirez
AU  - E.L. Elberg
AU  - H.H. Helley
PY  - 1963
DO  - 10.3133/i220a
UR  - https://pubs.usgs.gov/publication/i220A
ID  - i220A
ER  -