§ 7802.1
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/ca/business-and-professions-code/7802-1·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
“Geophysics,” as used in this chapter, refers to that science which involves study of the physical earth by means of measuring its natural and induced fields of force, including, but not limited to, electric, gravity, and magnetic, and its responses to natural and induced energy and the interpreting of these measurements and the relating of them to the physics of the earth.