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I grew up in Boston and there are headstones from the 19th century carved in granite that are already entirely illegible. How is this data going to stand a chance against erosion?

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There is very little erosion in the desert, unlike in cities, where acid rain and humidity will break down even the hardiest rocks.

What about sand + wind?

That's what I was wondering. The entire monument doesn't need to be eroded, only the fine etching.

Would the best way to preserve it actually be to allow it to be buried in sand?

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