If I were the leading authority every tree would give more than firewood & vegetables would grow wild, but you have dim wits. The only man with a brain in authority in Chatham planted the Chestnut trees of the football grounds, which are enjoyed every autumn.
Correction, they were on private ground. But he was the Mayor, an accident of competence. There is no love for common people in Government & now no provision for their own misfortune as a consequence, inedible flora everywhere.
There are ancient caves & stones on the map of the coney banks, but they vanished. Bad Government has a history in the area.
Core sample around here please. We need an ancient kiln specialist & modern stone cutting experience.