found: Work cat.: Duckabush River fecal coliform bacteria study, 1995-1996, 1996:p. 1 (Duckabush River is a moderate size river that flows east from the crest of the Olympic range into Hood Canal)
found: GNIS, Apr. 23, 2000(Duckabush River, stream, Wash., Jefferson Co., variant name: Dacqueboose River)
found: Washington place names database, via WWW, Apr. 23, 2000(The Duckabush River rises in Marmot Lakes near O'Neil Pass, Olympic National Park and flows eastward to Hood Canal at Duckabush in southeast Jefferson County)
found: GeoNames [algorithmically matched]stream; 47°38ʹ55ʺN 122°56ʹ01ʺW