1976 Press Photo Olev Vigelsjo prepared to take a sounding for water depth

As a bucket full of spoils was taken from the water, Olev Vigelsjo prepared to take a sounding for water depth. The Great Lakes Dredge and Dock Company of Chicago as the $1.2 million contract for the harbor dredging. Dredges & Dredging.

Photo is dated 1976.

Photo measures 7 x 10.25 inches.

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