Yellowstone, arguably the most famous national park in the country (if not the world) extends to Montana. The lion's share of Yellowstone is located in Wyoming, but the fact that even a sliver is on Montanan soil spells bad news for WV in this battle of consequence.
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http://i44.tinypic.com/5nw45i.jpg
Watch and you'll see... someday I'll be... part of your world!