The Secretary of the Interior shall provide, by suitable rules and regulations, for cooperation with local associations of stockmen, State land officials, and official State agencies engaged in conservation or propagation of wildlife interested in the use of the grazing districts. The Secretary of the Interior shall provide by appropriate rules and regulations for local hearings on appeals from the decisions of the administrative officer in charge in a manner similar to the procedure in the land department. The Secretary of the Interior shall also be empowered to accept contributions toward the administration, protection, and improvement of lands within or without the exterior boundaries of a grazing district, moneys, so received to be covered into the Treasury as a special fund, which is appropriated and made available until expended, as the Secretary of the Interior may direct, for payment of expenses incident to said administration, protection, and improvement, and for refunds to depositors of amounts contributed by them in excess of their share of the cost.