Draw subsurface contours in rock formations.
What does a Geophysical Drafter do?
Draws subsurface contours in rock formations from data obtained by geophysical prospecting party. Plots maps and diagrams from computations based on recordings of seismograph, gravity meter, magnetometer, and other petroleum prospecting instruments and from prospecting and surveying field notes. Performs other duties as described under DRAFTER Master Title. May be designated according to method of prospecting as Drafter, Seismograph.