Tapteal, Columbia River (Google Maps ⧉, OpenStreetMap ⧉)
Referenced In
History of the Expedition Under the Command of Captains Lewis and Clark: To the Sources of the Missouri, Thence Across the Rocky Mountains and Down the River Columbia to the Pacific Ocean
by Meriwether Lewis, William Clark"From this island they showed him the entrance of a western branch of the Columbia, called the Tapteal, which as far as could be seen bears nearly west, and empties itself about eight miles above into the Columbia; the general course of which is northwest:"