"This map was obtained from an edition of the National Atlas of the United States. This is a work of the federal government, and it is in the public domain.. Online access: NationalAtlas.gov 1970 print edition: Library of Congress. Perry-Castaneda Library."
The library has a number of print copies of historical atlases in its collection. Search the Boreham Library Catalog for individual titles.
The links are other recommended sources of information for historical maps.
"Map of the states and territories of the United States as it was from 1810 to April 1812. On October 27 1810, the United States annexed a further portion of West Florida. On April 30 1812, most of Orleans Territory was admitted as the state of Louisiana. Made by User:Golbez. This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license."