"We pass by a marker saying something about Lewis and Clark. One of them came up this way on a side excursion from the Northwest Passage"

Meriwether Lewis (1774-1809) and William Clark (1770-1838) led an expedition from the Mississippi River to the Pacific coast, detailing topography, natural resources and Indian villages. As this was one of the earliest such expeditions, its findings were instrumental in the westward expansion of the USA