TY - RPRT TI - Reconnaissance geology of the Precambrian rocks in the Wadi Mahraghah quadrangle, Kingdom of Saudi Arabia AU - William C. Overstreet AU - Jesse William Whitlow PY - 1972 DO - 10.3133/ofr72280 UR - https://pubs.usgs.gov/publication/ofr72280 ID - ofr72280 ER -