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retired University of Wisconsin-River Falls agronomy professor said Wednesday at the Midwest
Farm Show at the La Crosse Center. But Lou Greub says aliens or another dimension seem to
be the most likely explanation for others.  

His presentation on crop circles will be repeated from noon to 12:30 p.m. today in the center's
arena as part of the two-day farm show.

Greub acknowledged crop circles are a controversial topic.  

"It's interesting," said Bob Redig, a rural Winona, Minn., farmer who listened to Greub's
PowerPoint presentation. "I tend to believe it's done by people," he said, adding it would be
easy for someone to use a rope to knock down plants and create a circle.

But Greub says he is curious and open-minded.

Greub became interested in crop circles when news media first reported their mysterious
appearances in the English countryside in the late 1970s and early 1980s
(Andrews/Delgado/Meaden/Taylor Television documentaries and other media work). They began as simple circles,
but the designs have become
increasingly complex over the years.

He visited crop circles for the first time in August, as part of a tour group in England led by
Barbara Lamb, a long-time crop circle investigator and author from California. The tour group
visited eight formations, which were anywhere from two weeks to 12 hours or less old.

Greub estimated 80 percent of reported crop circles are in England. English farmers who allow
the public to see the circles usually have a collection box where people typically deposit the
equivalent of about $3, he said. That helps offset the loss of the crop that was laid down in the
circle and trampled by visitors. But some farmers detest the circles, prohibit visitors and quickly
destroy the formations, Greub said.

"There are some fakes" among England's crop circles, he said. "There's one group, especially,
that's kind of organized and they go out (creating crop circles) for the sport of it."

Crop circles in England usually are created at night, Greub said. Witnesses sometimes report
seeing bright flashes of light or balls and columns of light in the fields where the formations are
found the next day.

Greub said he knows of no government research into crop circles. The consensus among
private researchers, he said, seems to be that crop circles have been made by someone or
something that is trying to communicate something.

While he thinks aliens or another dimension of some kind are the two most likely causes, Greub
doesn't rule out other possible explanations: "People talk about another dimension that's
actually right here around us somewhere, and things can come out of it or go back into it and
we really have no understanding of it."

Greub estimated 9,000 to 10,000 crop circles have been reported in the world since 1980. He
knows of two reported in Wisconsin in the summer of 2004, one in an oat field near Tilden and
the other in a barley field near Wausau.
Retired agronomist suspects crop circles due to aliens or
another dimension

Posted: Thursday, January 13, 2011
Further Link to Government
Research into Crop Circles