Any water conservancy district organized may be dissolved in the manner specified in sections 37-45-146 to 37-45-152 if such district has not been authorized to incur bonded or other indebtedness under the election procedures set forth in sections 37-45-139 to 37-45-142 and such district has not incurred bonded or other indebtedness pursuant to the provisions of any other law; except that, if such district has entered into a contract with the United States or any other agency thereof, no dissolution shall take place unless the secretary of the interior of the United States has first consented thereto.L. 57: p. 885, § 1. CRS 53: § 149-6-44. C.R.S. 1963: § 150-5-44. L. 75: Entire section amended, p. 1367, § 4, effective July 1.