Happy Valley (Or.)2014-03-312014-03-312006-02-28https://hdl.handle.net/1794/138587 pp. Adopted 2006-02-28. Department of Land Conservation and Development Notice of Adopted Amendmentamend transportation connections within the Rock Creek Comprehensive Planen-USPublic DomainLand UseHappy Valley Notice of Adopted Amendment (2006-02-28)Adopted Plan