Title: Lewis & Clark across the Northwest
Subjects: Expédition de Lewis et Clark (1804-1806), Lewis and Clark Expedition (1804-1806), Guidebooks, Description and travel, Descriptions et voyages, Découverte et exploration, Guides, Discovery and exploration, Northwest, pacific, Northwest, pacific, description and travel
Places: États-Unis (Nord-Ouest), Lewis and Clark National Historic Trail, Pacific Northwest