http://www.wrh.noaa.gov/otx/photo_gallery/snow_rollers.php
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Mother Nature never ceases to amaze me!!!
Wow... never even heard of that phenomenon...
That is wild!
Never seen'em but...those were photographed about 40 miles from where I live.
Aliens......
just like crop circles.
Don't let those lyin scientists tell you otherwise.
Coincidence the pictures and descriptions are on a GOVERNMENT website???????
I think not.
We had them here a few years ago. I'm 48 and that was the first time I ever saw them.