All revenues accruing from sales of licenses and permits, and any other revenue received by the department, and any money reimbursed or granted to the department by the state or federal government for fish, game, and wildlife conservation or related programs shall be used solely for conservation, restoration, management, educational benefit, recreational use, and scientific study of the fish, game, and wildlife resources of the state, including acquisition of property and general administration of RSA title XVIII. Such funds shall be used for no other purposes.