To: Alberta's Child
Interesting; I hadn't heard of those.
Have you ever been to Meteor Crater in Arizona? An unbelievably impressive sight/site.
Manicouagan is particularly impressive, since the reservoir clearly defines the circular shape of the crater. The ancient crater is 65 miles or so from rim to rim, and the reservoir inside it is 45-50 miles across.
I've never been to Meteor Crater in Arizona, but from pictures I've seen I would guess it is much smaller than this.
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