Surveys made exclusively for geological purposes performed by a person authorized to practice geology under Chapter 12.5 (commencing with Section 7800) or exclusively for landscaping purposes performed by a person authorized to practice landscape architecture pursuant to Chapter 3.5 (commencing with Section 5615), that do not involve the determination of any property line do not constitute surveying within the meaning of this chapter.
Ca. Bus. and Prof'l. Code § 8727