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Open-File Report O-11-13, Channel migration hazard maps for the Sandy River, Multnomah and Clackamas counties, Oregon, by John T. English, Daniel E. Coe, and Robert D. Chappell.
Download .zip file (357 MB)
Publication includes shapefiles and 12 PDF map plates.
NOTE: This publication is superseded by Open-File Report O-13-10, Channel migration hazard data and maps for the Sandy River, Multnomah and Clasckamas Counties, Oregon, which contains shapefiles as well as map view PDFs.