Job Description:

• 1) Records readings of gravity meter, torsion balance, and other gravity-measuring instruments at various points in terrain to obtain data regarding gravity characteristics indicating potential source of metallic ore or petroleum deposits: Sets up or directs set-up of instruments at specified location and records readings.

• 2) Examines readings for accurate registration and adjusts instruments to specifications.

• 3) Reads thermometers, barometers, and other instruments and records variations in temperature, barometric pressure, elevation, and other physical factors that affect instrument readings.

• 4) May be designated according to instrument used as Gravity-Meter Observer; Magnetometer Operator.