The restoration of the American Chesnut forest may be realized in my lifetime and I’m excited by that.
That's pretty cool!
My Dad was a Research Forestry Prof. (he also taught) who did a lot with Black Walnut. There, one is usually looking at 60 years or more for a return.
https://web.extension.illinois.edu/askextension/thisQuestion.cfm?ThreadID=23282&catID=196&AskSiteID=87#:~:text=On%20some%20websites%20I%20read,%2420%2C000%20to%20%2425%2C000%20range%20each.
I have a Black Walnut in my yard in an almost ideal spot and I MAY live long enough to see it harvested...
If you live or hike in areas where undiscovered wild chestnuts might be located, learn how to identify and report them here to the American Chestnut Foundation.
https://acf.org/science-strategies/restoration/