SDCL § 9-36-3: Survey and marking of proposed stream boundaries--Filing of plat.

When it is proposed to exercise the power granted by § 9-36-2, the governing body shall cause a survey to be made of the proposed boundary lines and said lines to be marked upon the ground by suitable stakes or monuments, and a plat of such river or stream showing said boundary lines to be filed in the office of the auditor or clerk.