Experimental Farm trees.

A 1973 Ottawa Journal article. 

New Civic Development for the Ottawa Hospital-Environmental Impact Statement and Tree Conservation Report-May 2021.

4.5.1.2. Trees: "Based on the results of the tree inventory, a total of 680 trees will be removed." (Page 21/73.)

Most of the doomed trees are adjacent to the Dow's Lake parking lot; along both sides of the O-Train between Carling and Prince of Wales... (The map is on Page 44/73.)