The provisions of this article shall not be construed to apply to incipient or undeveloped mines, but to those only which shall have been opened, and shall clearly derive a benefit from being drained.
Source: G.L. § 1837. G.S. § 2423. R.S. 08: § 4233. C.L. § 3321. CSA: C. 110, § 214. CRS 53: § 92-27-8. C.R.S. 1963: § 92-27-8.