Indiana Code Title 25. Professions and Occupations § 25-17.6-4-1

(1) Successful completion of at least thirty (30) semester hours or forty-five (45) quarter hours of course work in geology, culminating in a baccalaureate or advanced degree in geology, geophysics, geochemistry, geological engineering, or geotechnical engineering from an accredited college or university.  At the discretion of the board, courses dealing with applied geological science that are given under the auspices of an academic department other than geology may be considered toward the fulfillment of this requirement.

(2) Experience in professional geological work consisting of one (1) of the following:

(3) A passing score on an examination required by the board that has been designed to demonstrate that the applicant has the necessary knowledge and skill to exercise the responsibilities of the public practice of geology.