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That is, only 60 to 120 years into their 400-year life cycle. They're teenagers in human years. They're only about a quarter grown, and they're being cut. But this graph shows something even more ominous than the fact there aren't many older white pines left, it shows there aren't enough younger white pines to replace the teenagers. So if we cut very many of the teenagers, white pines will continue to decline in Minnesota unless we get a lot better at helping them reproduce.