Riverbanks are defined as the area in which a river could possibly migrate.  Read the full metadata for more information.
Riverbanks are defined as the area in which a river could possibly migrate. We were able to draw this feature class based on that definition by using a combination of the 2011 LIDAR imagery, 2-foot contours and orthophotos (new and historical). Each of the sources were utilized to provide evidence to where the riverbanks extend to. The decision to capture possible migration channels was chosen to keep a consistent and functional riverbank layer while also establishing an accurate area of where the river could possibly flow.

 Please read <a href='https://matterhorn.co.pierce.wa.us/GISmetadata/pdbswm_hydro_riverbanks.html' target='_blank'>metadata</a> for additional information. Any data download constitutes acceptance of the <a href='https://matterhorn.co.pierce.wa.us/Disclaimer/PierceCountyGISDataTermsofUse.pdf' target='_blank'>Terms of Use</a>.
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