Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Columbia Plateau -- History -- 19th century. 1 Columbia River. 6 Columbia River -- Description and travel. 4 Columbia River -- Discovery and exploration. 1 Columbia River Gorge (Or. and Wash.) -- Description and travel. 1 Columbia River Gorge (Or. and Wash.) -- Guidebooks. 1 Columbia River Gorge (Or. and Wash.) -- History. 3 Columbia River Gorge (Or. and Wash.) -- History -- Pictorial works. 1 Columbia River -- Guidebooks. 1 Columbia River -- History. 5 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >