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Woodbury resident and 3M engineering supervisor Greg Ledo hopes his invention -- the Biffy Bag -- will be the answer for outdoors enthusiasts in need of a easily-portable toilet system. - Staff photo by Hank Long

When nature calls, he answers


Greg Ledo is a scientist. He also happens to have a passion for the outdoors. So it was only natural that his work and play would intersect at some point.

And did they ever.

The Woodbury resident and 3M engineering supervisor recently put the finishing touches on an invention he believes will be a useful device for many outdoors enthusiasts who know what it's like when nature calls when there is no bathroom facility in sight.

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