The Johnson company was one of the better American mapmakers of the 19th century, and were known for keeping current with all the changes that were occurring. This is a fine example of their work with bold original hand color. Catching just the eastern edge of Nebraska and showing a well settled Iowa, this map does well for covering the towns and terrain, including roads and railroads.
Condition is very good. Image size is 12.5 x 17 (inches).