The location was ideal for trade between the Plains Indians and the Pueblo Indians of the southwest. Buffalo meat & hides were traded for corn, squash, baskets & bowls.
This was one of 2 kivas that were excavated and restored.
Fort Union was one of the 1st US Army forts in the southwest after the the Mexican War.
The Army abandoned the post in the 1880's after the Indian Wars ended.
The buildings were adobe and have been stabilized to prevent further collapse.
Capulin Volcano is in northeastern NM and is the classic cinder cone.