If a majority of the votes cast at an election for dissolution of a district favor dissolution and sale, the irrigation works, franchises, and other property of the district may be sold at not less than a valuation determined by a board of three appraisers. One member of the board of appraisers must be appointed by the board of directors of the district, one must be appointed by the director of the department of water resources, and the two appointed appraisers shall choose the third appraiser. The board of appraisers must be sworn by an officer who is authorized to administer oaths and who has an official seal. The board shall appraise the irrigation works, franchises, and all other property of the district at their cash value, and, with the consent of the board of directors of the district, may employ engineers, accountants, and other expert assistance as necessary. The board of directors shall fix the compensation of the appraisers, engineers, accountants, and others.