Via CBS News:
Residents in rural Wilbur, WA were mostly amused to discover that a crop circle had appeared in a local wheat field. The circle is described as resembling Mickey Mouse or a four leaf clover and covers approximately one acre. This isn’t the first time that it’s happened, either:
Crop circles have been a worldwide phenomenon for decades, and this is not the first one in Lincoln County. Similar circular patterns were left in crops in the Wilbur area in 2010 and in 2008 or 2009, Geib said.
Lynne Brougher, public affairs officer for the Grand Coulee dam, hadn’t heard about the latest crop circles but said the previous one was no cause for alarm.
“It seemed to be highly unusual,” Brougher said. “As I recall from a couple of years ago, there was no good explanation of how they got there.”
Most people believe that crop circles are man-made, perhaps with planks and rope. However, Richard Taylor of the University of Oregon recently suggested that they may be created with modern technology, namely magnetrons and GPS gear.
Read more at CBS News.