Note that the excavation occurred in 1992. During the previous 11 years Republican administrations had been in power and their attitude towards people of color, gays, the poor, helpless, disadvantaged and those who were not Republican party donors was so cold that the weather was affected. This resulted in ice accumulating at a rate of about 20 feet a year or more in Greenland.
Which neatly explains the deep ice.
Ah, yes, I forgot all about that. And they persisted in their evil in the ‘90s and made ketchup a main dish in school lunches. Somehow Jean sKerry must have had a hand in that too.