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 Decade: 1820-1829
 Collection: General Collection
Map of the Northwestern Territories of the United States, Showing the Track pursued by the Expedition under Gov. Cass in 1820
Map of the Great Lakes region showing the track of the expedition under Governor Cass in 1820. Includes place names, rivers and an inset drawing of Upper Red Cedar or Cassina Lake. Some routes are highlighted in red. Scale 1:3,801,600 digital.library.unt.edu/ark:/67531/metadc29427/
Map of Routes to the Principal Mining Districts in the Central States of Mexico.
Map of several states bordering the Gulf of Mexico in central Mexico from 1828. The routes to the principal mining districts and other roads are marked, as well as towns, landmarks, rivers, and some topographic features (with relief shown by hachures). digital.library.unt.edu/ark:/67531/metadc29432/