found: Work cat.: Pillar Rock Packing Company, Columbia River, Washington, ca. 1897, via the Tollman and Canaris photographs digital images collection, viewed on Jan. 26, 2011(Pillar Rock shows in the photo)
found: GNIS, Jan. 26, 2010(Pillar Rock, pillar (vertical, standing, often spire-shaped, natural rock formation), Wahkiakum Co., Wash., 46.2578866° -123.5876364°, 46°15ʹ28ʺN 123°35ʹ15ʺW; variant: Piller Rock)
found: Washington place names, via WWW, Jan. 26, 2011(Pillar Rock: A detached point of conglomerate rock, elevation one hundred feet on the north bank of the Columbia River is fifteen miles up river from its mouth in southwest Wahkiakum County)
found: The volcanoes of Lewis and Clark : November 7, 1805, nearing the Pacific - Wallace Island to Pillar Rock, via Cascades Volcano Observatory website, viewed on Feb. 15, 2011(Pillar Rock is a 70-foot high basaltic column sitting in water approximately 50 feet deep near the northern shore of the Columbia River. Simply marked "Rock" on Clark's route map, the basalt rock rose 75 to 100 feet above water level, depending on the tide. The landmark was given its present place name by Wilkes in 1841. Currently there is a navigation beacon located on top of Pillar Rock.)
found: Getty thesaurus of geog. names, via WWW, Feb. 15, 2011(Pillar Rock (natural pillar), 46°15ʹ00ʺN 123°35ʹ00ʺW, 46.2500 decimal degrees -123.5833 decimal degrees, Wahkiakum (county), Washington (state); variant: Piller Rock)
