Each railroad authorized to construct a road in this state may locate and construct the road across any of the school or other public lands of the state, and may, for that purpose, hold, occupy, and enjoy a right-of-way therefor, fifty feet on each side of the center of the track of the road, and extra width as may be necessary for cuts, embankments, gravel pits, and other works of the road, or for the protection of the road from snow, subject to the approval of the Governor.
SDCL 49-16A-56