The story of how it got there may never be known, but a rusting 132-year-old Winchester rifle -- known in U.S. lore as "the gun that won the West" -- was recently found resting against a juniper tree in a Nevada national park.
More: http://www.foxnews.com/us/2015/01/1...nd-propped-under-desert-tree/?intcmp=trending
I'll bet it's still loaded. If it is, the ammo will tell them how long it's actually been there.