Similar patterns are visible on satellite images in many places around the area:
Is this the result of logging?
Yes, of course. The pattern of "patterns" it is logging, and the straight lines are logging roads for taking the logged timber out.
Some of the shapeless areas are places where there were temporary storages of tree trunks, which were loaded onto cars take them to the river.
It is only necessary understand that all this belongs to later time. In 1959 there were such clearcuts as far away as the "41 Precinct" settlement.