found: Work cat.: Urgenson, L.S. The ecological consequences of Japanese knotweed invasion into riparian forests, 2006:abstr. (Grandy Creek, a tributary of the mid-lower Skagit River, Skagit Co., Wash.)
found: GNIS, Feb. 20, 2007(Grandy Creek, stream, Skagit Co., Wash., source: 48⁰36ʹ49ʺN 121⁰49ʹ47ʺW; mouth: 48⁰31ʹ07ʺN 121⁰52ʹ50ʺW)
found: Washington place names, via WWW, Feb. 20, 2007(Grandy Creek; rises in Grandy Lake three miles NW of Concrete, in north central Skagit County and flows seven miles SW to the Skagit River near Birdsview)