TY - RPRT TI - Geology and geochemistry of a part of the Abla Formation at Jabal Rumur, Kingdom of Saudi Arabia AU - P. K. Theobald AU - Charles E. Thompson PY - 1972 DO - 10.3133/ofr72377 UR - https://pubs.usgs.gov/publication/ofr72377 ID - ofr72377 ER -