The county snow removal and special emergency reserve fund after the creation thereof shall be used for the following purposes only: (1) Snow removal operations on county roads; (2) Repair of damages to county roads and bridges directly resulting from or caused only by melting snow; (3) Purchase of equipment for such snow removal and repairs therefor; (4) Purchase of snow fencing to prevent accumulation of snow; (5) To mow and remove grass and weeds along the highway to prevent the accumulation of snow; (6) To meet emergency requirements for the public health and safety in the time of disaster and emergency when such requirements may not be made by general or other special appropriations; (7) To repay emergency aid grants from the state emergency fund under such conditions as may be provided by law. Source: SL 1953, ch 32 , § 2; SL 1957, ch 30 ; SDC Supp 1960, § 12.0617-8; SL 1964, ch 23 ; SL 1967, ch 15 , § 2.