Map of Astoria groups' routes to the Northwest, including the Wilson Hunt (dotted line), Stuart's Route (solid line), and McClellan's probable route (dashed line).
(Reproduced in Dorothy O. Johansen and Charles M. Gates, Empire of the Columbia: A History of the Pacific Northwest. New York, 1957, p. 129. Map credited to Cartographic Laboratories, Department of Geography, University of Washington.)
