Columbia subject headings:
Harvard subject headings:
America--Discovery and exploration--Maps--Exhibitions.
Cartography--West (U.S.)--History.
Lewis and Clark Expedition (1804-1806)--Maps--Exhibitions.
Nautical instruments--Exhibitions.
University of Virginia. Library--Exhibitions.
West (U.S.)--Discovery and exploration--Maps.
Princeton subject headings:
Clark, William, 1770-1838.
Jefferson, Thomas, 1743-1826--Knowledge and learning--Geography.
Lewis and Clark Expedition (1804-1806)--Exhibitions.
Lewis, Meriwether, 1774-1809.
Navigation--Equipment and supplies--History--Exhibitions.
United States--Maps--Exhibitions.
University of Virginia. Library--Exhibitions.
West (U.S.)--Maps--Exhibitions.