7-16-2323. Leasing of county land for nonpark purposes. A county park board, in addition to powers and duties now given under law, shall have the power and duty to lease lands owned by the county, heretofore acquired for parks, which, in the judgment of the board, it shall not be advisable to improve as parks, upon such terms and conditions as the board shall deem to be for the best interests of the county. Such lands shall not be leased for a longer time than 5 years and not for a longer time than 1 year without the concurrence of two-thirds of the entire board of park commissioners.