St Helens2014-04-022014-04-022011-04-08https://hdl.handle.net/1794/1573025 pp. Adopted 2011-04-08. Department of Land Conservation and Development Notice of Adopted AmendmentCity of St. Helens 2010 Waterfront Development Prioritization Plan to be adopted as an addendum to the City's Comprehensive Plan.en-USPublic DomainLand UseSt Helens Notice of Adopted Amendment (2011-04-08)Adopted Plan