Profile Picture BrandyRiche

created Mar 15 2018

updated May 27 2019

Description

This feature class shows streams, centerlines of rivers, centerlines of water bodies, culverts and pipes, and subterranean features. It is an accurate hydrology feature class that was built using the 2011 LIDAR provided by the Puget Sound Lidar Consortium. Also utilized were a combination of orthophotography for both current and historical uses, 2-foot contours (created by the 2011 LIDAR), Department of Natural Resources stream centerlines, adjacent county stream centerlines, and GPS drainage inventory. Each of the sources served a different purpose and combined created more accurate hydrology data for mapping and analysis. All streams manually created. The determination of stream location relied heavily on the 2011 LIDAR and contours while at 1:600 scale or better. After the initial stream creation was completed, the lower quality Department of Natural Resources (DNR) streams were edge-matched to this more accurate Pierce County hydrology layer in Eastern Pierce County around Mount Rainier. Adjacent county streams were edge-matched to the more accurate Pierce County hydrology at Pierce County’s boundary. Please read metadata (https://matterhorn.co.pierce.wa.us/GISmetadata/pdbswm_hydro_streams.html) for additional information. Any data download constitutes acceptance of the Terms of Use (https://matterhorn.co.pierce.wa.us/Disclaimer/PierceCountyGISDataTermsofUse.pdf).

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