The surveyor, when employed by private landowners as provided in section 11-20-14, shall sink into the earth at all section and quarter post corners a column of concrete or a cement block at least two feet [.61 meter] high, twelve inches [304.80 millimeters] square at the base, and six inches [152.40 millimeters] square at the top. The surveyor shall carefully describe the same in the records of the surveyor's survey. The surveyor also shall dig pits and shall mark and record new witness trees wherever possible to do so. Any person who willfully shall cut down, destroy, deface, or injure any living witness tree, or who shall remove a corner post in any shape as above established, is guilty of an infraction.
N.D.C.C. § 11-20-15