All you'd need is ultra fast drying lava-proof concrete. I'm surprised no one has thought of that yet. Then once the crater vent is fully plugged you would just need to coat the rest of the mountain in the same concrete. Voila, problem solved.
I keep thinking about the big job we have ahead of us, paving over Yellowstone Park.
Don’t give them any ideas
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All you'd need is ultra fast drying lava-proof concrete. I'm surprised no one has thought of that yet. Then once the crater vent is fully plugged you would just need to coat the rest of the mountain in the same concrete. Voila, problem solved.
I keep thinking about the big job we have ahead of us, paving over Yellowstone Park.
Don’t give them any ideas