found: Hildreth, W. Mineral and geothermal resource potential ... 1983:t.p. (Skamania County, Washington)
found: Rand McNally, 1982,(Skamania [County], Washington)
found: GeoNames, algorithmically matched, 2009(adm2; 46°01ʹ59ʺN 121°54ʹ04ʺW)
found: Washington place names, via WWW, Mar. 4, 2013(Skamania County: It was created from the eastern part of Clark County by the Washington Territorial Legislature on March 9, 1854; Walla Walla County: on April 25, 1854, it was created from a portion of Skamania County, by the Territorial Legislature)