Yakima County GIS10' Contours. Vertical Datum: NGVD29ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/a27be47c33824e7a9b1d8eef5bec20e6_0engYakima County, WA - Open DataPublicContours 10Ft [Washington (State)--Yakima County]Web servicesWashington (State)--Yakima CountyWashington (State)Last Modified: 2017-12-05