Taylor, George; Hale, Candee; Joos, Sarah. Climate of Wallowa County. Oregon Climate Service. Oregon State University. [22 March 2012]. (原始内容存档于2010年6月11日).
spokane.edu
users.scc.spokane.edu
Ditto, Logan; Donaldson, Bryan. General Geology. Wallowa Lake. Spokane Community College. Spring 2002 [9 September 2013]. (原始内容存档于2016-03-03).
topoquest.com
United States Geological Survey (USGS). United States Geological Survey Topographic Map. TopoQuest. [July 1, 2009]. (原始内容存档于2018-11-08). The maps, which include river mile (RM) markers from the mouth to the downstream end of Wallowa Lake at RM 50 or river kilometer (RK) 80, cover the following quadrangles from mouth to source: Rondowa, Howard Butte, Minam, Wallowa, Evans, Lostine, Enterprise, Joseph NW, and Joseph.
United States Geological Survey (USGS). United States Geological Survey Topographic Map. TopoQuest. [July 1, 2009]. (原始内容存档于2018-11-08). The maps, which include river mile (RM) markers from the mouth to the downstream end of Wallowa Lake at RM 50 or river kilometer (RK) 80, cover the following quadrangles from mouth to source: Rondowa, Howard Butte, Minam, Wallowa, Evans, Lostine, Enterprise, Joseph NW, and Joseph.
Engeman, Richard H. (2009). The Oregon Companion: A Historical Gazetteer of the Useful, the Curious, and the Arcane. Portland, Oregon: Timber Press. p. 393. ISBN 0-88192-899-2. OCLC236142647.