S.D. Codified Laws § 49-16A-114
Termination of right of occupancy unless right to continue acquired
Unless the person occupying the right - of - way has acquired the right to continue such occupancy by lease, license, purchase, or condemnation within three years of date of abandonment, the right to such occupancy shall cease.
Source: SL 1980, ch 326, § 3; SL 1981, ch 330, § 2.