SDCL § 11-2-3.3: Information furnished by public officials--Examinations and surveys--General powers of commission.

All public officials shall, upon request, furnish to the county planning commission, within a reasonable time, such available information as it may require for its work. The commission, its members and employees, in the performance of its functions, may, after thirty days' written notice by certified mail to the landowner, enter upon any land, make examinations and surveys, and place and maintain necessary monuments and marks thereon. In general, the commission has all such powers necessary to enable it to fulfill and perform its functions, promote county planning and zoning, or carry out all the purposes of this chapter.