U.S. Fish & Wildlife ServiceSouthern Appalachian Spruce Restoration Initiative (SASRI) Current Spruce Units dataset. Polygon dataset identifying different density patches of Red Spruce (Picea rubens)ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/687b98afc08e4607b3ecd35cfe2c6079_0engU.S. Fish and Wildlife Service Open DataPublicSASRI Spruce Data Current Spruce Units View Only [United States]Web servicesUnited StatesLast Modified: 2020-08-18