found: Health Dept. Annual report for the year ending ..., May 31, 1928:t.p. (City and County of Walla Walla; Walla Walla, Washington) p. 3 (Walla Walla County-City)
found: GeoNames, algorithmically matched, 2009(ppl; 46°03ʹ52ʺN 118°20ʹ35ʺW)
found: Wikipedia, Nov. 28, 2011(Walla Walla, Washington; City of Walla Walla; original name of the town was Steptoeville; 46°3ʹ54ʺN 118°19ʹ49ʺW) March 3, 2013 (Walla Walla is the largest city in and the county seat of Walla Walla County, Washington, United States; City of Walla Walla)
found: Washington place names, via WWW, Nov. 28, 2011(Walla Walla; city in the center of Walla Walla Valley on Mill Creek in southeast Walla Walla County; on Jan. 11, 1859, an act of the Territorial Legislature approved the name Walla Walla City; previous names were Steptoeville and Steptoe City)