Application for disestablishment of an MR Overlay Zone shall be considered by the city only when specific studies similar in nature to State Classification Reports prove that significant mineral deposits no longer exist, are no longer economically viable to mine or that the conditions of the approved mining permit or reclamation plan prohibit any additional mining in a specific area.
(`78 Code, § 17.62.390.) (Ord. 2089 § 1 (part), 1992.)