91.680. All moneys received from any bonds issued and allother income pursuant to sections 91.620 to 91.770, afterreimbursements and repayment to said city or town of all amountsadvanced for preliminary expenses, shall be applied solely to thepayment of the costs of the works, extensions, operation,maintenance, improvements or betterments or to the appurtenantsinking fund and there shall be and hereby is created and granteda lien upon such moneys, until so applied, in favor of theholders of the bonds or the trustees herein provided for.
(L. 1941 p. 493 ยง 6)