In advance of America 250, here's a thing I just wrote up re an 1860 map derived in large part from one previously published in 1849–59.
See: https://www.mappingasprocess.net/blog/2025/8/27/the-modifiability-of-us-commercial-lithographic-maps
Matthew Edney
@mhedney@historians.social
Map historian and geographer. Mostly thoughts and news re map history.
Osher Professor in history of cartography, University of Southern Maine. Director, History of Cartography Project, University of Wisconsin–Madison.
Blogs at mappingasprocess.net
Occasional pretty images, sci-fi nerdery, and things I find funny (if former social media is anything to go by)
January 23, 2023
