Information Archive of older resource protection plans and reference materials for the City of Portland Download PDF fileBalch Creek ESEE 1991-19951.77 MBDownload PDF fileBalch Creek Watershed Protection Plan - 19917.5 MBDownload PDF fileBoring Lava Domes - Supplement to the Johnson Creek Basin Plan - 1997998.2 KBDownload PDF fileCitywide Environmental Overlay Zone Map Refinement Project Final Report - 19986.83 MBDownload PDF fileCode Maintenance - Amendments to Title 33 Planning and Zoning - 20042.81 MBDownload PDF fileEast Buttes Terraces & Wetlands Conservation Plan - 19937.28 MBDownload PDF fileEnvironmental Code Improvement Project Adopted Report - 20051.98 MBDownload PDF fileESEE Analysis and Recommendations for Natural, Scenic, and Open Space Resources within Multnomah County Unicorporated Urban Areas - 20021.16 MBDownload PDF fileFanno Creek and Tributaries Conservation Plan - 199314.13 MBDownload PDF fileFanno Creek Watershed - 19992.78 MBDownload PDF fileFlood Management Amendments to the Johnson Creek Basin Plan District - 1998759.13 KBDownload PDF fileInvasive Plant Policy Review and Regulatory Improvement Project Report - 20104.97 MBDownload PDF fileInventory of Natural, Scenic and Open Space Resources for Multnomah County Unincorporated Urban Areas - 20026.16 MBDownload PDF fileJohnson Creek Basin Protection Plan - 19916.14 MBDownload PDF fileJohnson Creek Floodplain Zoning Code Maintenance - 20033.23 MBDownload PDF fileJohnson Creek Watershed Summaries of Resource Site Inventories - 19986.8 MBDownload PDF fileNorthwest Hills Natural Areas Protection Plan - 19919.77 MBDownload PDF fileNorthwest Hills Natural Areas Protection Plan - 19951.89 MBDownload PDF fileNorthwest Hills Protection Plan - 1992511.54 KBDownload PDF fileNorthwest Hills Study - 19857 MBDownload PDF fileSkyline West Conservation Plan - 19946.19 MBDownload PDF fileSouthwest Hills Resource Protection Plan - 19921.77 MBDownload PDF fileTerwilliger Parkway Corridor Plan - 19831.73 MBDownload PDF fileWillamette River Greenway Inventory - 201410.29 MBDownload PDF fileWillamette River Wildlife Habitat Inventory - 19866.55 MB