SDCL § 11-3-2: Corner markers to be planted--Marking on plat.

A registered land surveyor engaged by the owner shall at the time of surveying and laying out the property cause to be planted and firmly fixed in the ground at the corners of each block, lot, parcel, or tract, permanent markers constructed and placed in accordance with the rules adopted pursuant to § 43-20-7. The point set shall be distinguished on the plat.