Wasco County 3, Chenoweth, 19331934 Map, The Dalles (section of original), from The Dalles 1:125,000 topographic quadrangle.Wasco County 4, The Dalles, 19331948 Flood1948 Flood, West End of 2nd St.1948 Flood, Seepage and Sandbags, West End of 2nd St.Railroad Yards, 1948 Flood1917, West 6th StProposed Monument. Lewis and Clark Memorial Association. c. 1930sLocation of Lewis and Clark MonumentMonument base before construction of picnic structure. Date Unknown.Lewis and Clark MonumentNever-completed Gorge Monument is Torn DownColumbia River Highway, The DallesLatourell Falls: Roadhouse Respite Interpretive Sign - "Official" and Unofficial Roadhouses