General. The purpose of the Surface Mining Overlay District (SM) is intended to ensure the continued extraction of rock, stone, gravel, sand, earth and minerals without disrupting or endangering adjacent land uses, while safeguarding life, property and the public welfare. Provisions of Washington State Statutes 78.44 RCW and 332-18 WAC applicable to the City of Vancouver pertaining to surface mining are hereby adopted by reference. (Ord. M-3643, 01/26/2004)