This map was made in conjunction with FFS Consulting using an overlay analysis of data from the NorWest Stream Temperature Project and King County and last updated May of 2019. Software used includes QGIS and ArcGIS Online.

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All NorWEST Stream Temperature layers are in the public domain.

King County data are made available with the understanding that they shall be used exclusively by the obtainer or his/her authorized agents. Digital products may not be reproduced or redistributed in any form or by any means without the express written authorization of King County.