SDCL § 41-20-25: Entry on private land to locate forest insect or disease infestation.

The state forester may enter upon or cross any privately owned forestland or privately owned land for the purpose of surveying for and locating a forest insect or disease infestation. Upon finding any such forest insect or disease infestation, the state forester shall notify the landowner in writing of the presence of the infestation and establish a length of time in which the landowner may control the infestation. The state forester shall further advise the landowner of any acceptable methods and means of effectively controlling the infestation.