Said board shall determine upon a system of mine drainage for the district, either by gravity, power, or by both combined, and to assess the cost thereof upon the property to be benefited thereby.
Source: L. 11: p. 512, § 15. C.L. § 3337. CSA: C. 110, § 230. CRS 53: § 92-28-15. C.R.S. 1963: § 92-28-15.