Original caption: 5/16/1966-Hillsdale, MI- The civil defense director of Hillsdale County, MI, William Van Horn, issued a 24 page report May 16th challenging an Air Force conclusion that "swamp gas" caused the Hillsdale UFO sightings in March 1966. Van Horn said conditions at the time were too windy for swamp gas to form and that a chemical diclosed an abnormally high amount of radiation and the element, Boron, in both the water and the soil. He also released this photo purporting show an UFO.
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