TY - RPRT TI - Preliminary report on geophysics ground follow-up of the 1977 airborne survey in the Wadi Bidah District, Kingdom of Saudi Arabia AU - V. J. Flanigan AU - J. C. Wynn AU - R. G. Worl AU - C. W. Smith PY - 1981 DO - 10.3133/ofr82202 UR - https://pubs.usgs.gov/publication/ofr82202 ID - ofr82202 ER -