Ind. Code § 8-23-7-26
An authorized employee or representative of the department engaged in a survey or investigation authorized by the commissioner or the commissioner's designee, including a survey or investigation for purposes of IC 8-23-5-9 , may enter upon, over, or under any land or property within Indiana to conduct the survey or investigation by manual or mechanical means, which include the following:
As added by P.L.18-1990, SEC.216. Amended by P.L.99-2008, SEC.2.