Portland (Or.). Bureau of PlanningPortland (Or.)2008-12-012008-12-011998-06-24https://hdl.handle.net/1794/7907http://www.portlandonline.com/planning/index.cfm?c=34251&a=95057212 pp. OCR and bookmarks supplied by UO. Maps, table. Adopted June 24, 1998. Captured November 25, 2008.The purpose of the Citywide Environmental Overlay Zone Map Refinement Project is to more accurately map the boundaries of Environmental Overlay Zones. The boundaries of Environmental Protection Zones (EP) and Environmental Conservation Zones (EC) are affected. All of the adopted boundary changes are consistent with previously adopted policies, Economic, Social, Environmental, and Energy (ESEE) analyses, and the findings of the City's adopted environmental plans. [From the document]en-USEcological surveys -- Oregon -- PortlandNatural resources -- Oregon -- PortlandCity planning -- Oregon -- PortlandLand use -- Oregon -- Portland -- PlanningBook