Pathfinders of the West: Being the Thrilling Story of the Adventures of the Men Who Discovered the Great Northwest

["Discovery and exploration" "Lewis and Clark Expedition (1804-1806)" "Lewis and Clark Expedition" "Lewis and Clark Expedition (1804-1806) cn." "History" "Canadian Northwest" "Northwest Canadian" "Discoveries in geography" "Lewis and Clark Expedition (1804-1806) fast (OCoLC)fst01406330"]