1951 Press Photo Caterpillars on tree trunk in Sault Sainte Marie, Michigan

Sault Sainte Marie, Michigan: Caterpillars plague Upper Michigan and southern Canadian forests and fields. Thousands of acres of forests have been denuded by the hordes on either side of the international boundary. Picture shows caterpillars on trunk of tree.

Photo is dated 1951.

Photo measures 9 x 7.25 inches.