Except as otherwise provided in NRS 318.512 to 318.5126, inclusive, the board shall have the power to acquire, dispose of and encumber real and personal property, and any interest therein, including leases, easements, and revenues derived from the operation thereof. The constitutional and inherent powers of the legislature are hereby delegated to the board for the acquisition, disposal and encumbrance of property; but the board shall in no case receive title to property already devoted to public purpose or use, except with the consent of the owners of such property, and except upon approval of a majority of the board.