Geophysical (electric logs and seismic lines) and hydrological data (pumping test) have been utilized to determine the structural character of faults beneath the Wadi Al-Batin. These Miocene–late Eocene faults are oriented parallel to the southern Arabian Shield fault lines, which trend northeast-southwest. Three subsurface cross sections were correlated to seismic lines and pumping test data. Seismic lines show a discontinuity within the stratigraphy as they pass through fault lines, and the pumping test shows a break in the drawdown slope as it passes through barrier boundaries.

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