September 11/18 – Sault St. Marie to Minden – Rock Roads

I have always known that large parts of Ontario rest on the Canadian Shield or Laurentian Plateau, a large area of exposed Precambrian igneous and high grade metamorphic rocks that form the ancient geological core of the North American continent. It stretches from the Great Lakes to the Arctic Ocean and covers over half of Canada (source: Wikipedia).

What I did not realize how difficult it must be to create roads through this geological formation. It takes a lot of blasting, jack hammering and leveling to get flat continuous roads. The feature photo shows some of the action along Highway 69, South of Sudbury.

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3 thoughts on “September 11/18 – Sault St. Marie to Minden – Rock Roads

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