“Deputies Probe Cornfield Imprint Of Three Discs”,
19 August 1976 (The Hour, Norwalk, Connecticut)
Three alleged UFO landing imprints were found in a Fairfield County, Ohio corn field in mid August 1976, according to the article:
http://news.google.com/newspapers?id=o-cgAAAAIBAJ&sjid=CG4FAAAAIBAJ&pg=1635,2960680
The disk shaped imprints formed a perfectly symmetrical triangle.
Several Fairfield County residents also reported UFO sightings around the time of the discovery of the imprints.
Quote from the article:
“ ‘We’re going on the assumption it was a UFO,’ Greiner (Deputy Sheriff Steve Greiner) said.”
“Fairfield County, Ohio (OH)” (City-Data.com):
http://www.city-data.com/county/Fairfield_County-OH.html
Map of Fairfield County, Ohio (city-data.com)
(city-data.com image)