Yamhill County (Or.)2014-04-182014-04-182011-09-23https://hdl.handle.net/1794/1729629 pp. Adopted 2011-09-23. Department of Land Conservation and Development Notice of Adopted AmendmentTo amend the Yamhill County Zoning Ordinance to allow sol . waste disposal facilities in the farm zone.en-USPublic DomainLand UseYamhill County Notice of Adopted Amendment (2011-09-23)Adopted Plan