Digest>Sep/Oct 2013

Photo By:


David Cooper

Photo Caption:

To stabilize the crumbling footings of the historic Devils Island Lighthouse, devices called ‘micropiles’ were drilled in the ground to pin or attach the tower to the bedrock. Following this, new concrete footings were poured.
Back to the edition of: Sep/Oct 2013


Saving Wisconsin’s Apostle Islands Lighthouses
Back to the edition of: Sep/Oct 2013

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