The board of county commissioners of any county of this state is hereby authorized and empowered to sell and convey any real estate deeded to or held by such county for the purpose of indigent care facilities, when in the opinion of the board of commissioners such real estate is not needed, is unsuitable or inconvenient for such purposes. Such sale shall be in the manner hereinafter provided.
Okla. Stat. tit. 56, § 121