>no promising locations for more. Isn't there a super volcano in the middle of the country? Maybe there are some adjacent hot spots outside of the national par

>no promising locations for more. Isn't there a super volcano in the middle of the country? Maybe there are some adjacent hot spots outside of the national park? https://en.wikipedia.org/wiki/Yellowstone_National_Park https://en.wikipedia.org/wiki/Yellowstone_National_Park