Colorado Revised Statutes Title 37. Water and Irrigation § 37-26-102. Refunding bonds issued--when

Such refunding bonds shall be issued in lieu of the bonds and interest refunded; shall evidence the same indebtedness; shall be supported by the same liens, assessments, appraised benefits, and levies; and, except as to time of payments, amounts, and rates of interest, shall be payable therefrom in the same manner as the bonds refunded, but said refunding bonds shall not constitute a blanket indebtedness or lien on lands within such drainage district unless provided for on the face of the bonds.