This is an article about a man in Hot Springs AR allegedly finding a "Civil War landmine" somewhere in the Hot Springs area, and the local police preparing to detonate it.
http://katv.com/news/local/civil-war-era-landmine-to-be-detonated-after-being-found-in-arkansas
Since use of landmines in the Civil War was limited to a couple of very isolate incidents (Fort Fisher, I think), I doubt it is a landmine, probably a shell with a percussion detonator.
http://katv.com/news/local/civil-war-era-landmine-to-be-detonated-after-being-found-in-arkansas
Since use of landmines in the Civil War was limited to a couple of very isolate incidents (Fort Fisher, I think), I doubt it is a landmine, probably a shell with a percussion detonator.