>> Even in Ontario we used to have forests where a large portion of trees were above 50m high There are still some in Michigan: https://en.wikipedia.org/wiki/

>> Even in Ontario we used to have forests where a large portion of trees were above 50m high There are still some in Michigan: https://en.wikipedia.org/wiki/Hartwick_Pines_State_Park https://en.wikipedia.org/wiki/Hartwick_Pines_State_Park