Close-up of the powder horn map
Each picture shows the map from a different perspective.
Bedford County Pennsylvania provides a very accessible overview while the Library of Congress website has a more densely written essay.
How to engrave an animal horn, the process that would have been used to carve a map.
This brief video shows the process of loading an 18th century style rifle using a powder horn.
This English Royal coat of arms that is on the powder horn map and refers to the perceived English divine right to rule.
Map below shows the region depicted on the Powder Horn.
View Powderhorn Map in a larger map