Hillsboro (Or.)2014-04-022014-04-022009-10-09https://hdl.handle.net/1794/1494045 pp. Adopted 2009-10-09. Department of Land Conservation and Development Notice of Adopted AmendmentAmendments create a new AU Airport Use zone and six new ASCO Airport Safety and Compatibility Overlay zones, as required by OAR 660-13.en-USPublic DomainLand UseHillsboro Notice of Adopted Amendment (2009-10-09)Adopted Plan