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by Sarki 2636 days ago
They most likely used quipu for this I think. https://en.m.wikipedia.org/wiki/Quipu
2 comments

Quipu are from the Andes in South America. It's several thousand miles away.

There's no evidence of writing in pre-contact Pueblo cultures. There are some rock pictographs that might have symbolic meanings, that's about as close as it gets. It's a bit of a mystery why Central American writing systems didn't make their way this far north.

Thanks for that information... Very interesting!