You limited your search to:

 Decade: 1820-1829
 Year: 1828
 Collection: General Collection
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).