The board of directors shall also have the right to establish and maintain streamgauges, rain gauges, a flood warning service with telephone or telegraph service, and may make such surveys and examination of rainfall and flood conditions, stream flow, and other scientific and engineering subjects as are necessary and proper for the purposes of the district, and they may issue reports of their findings. Laws 1923-24, c. 139, p. 173, § 23.
Oklahoma Legal Code