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Greg Judy from Green pastures farm does rock skirts and electric poly wire to let the cattle drink but not hang out and chew up the banks.
![Swales: Earthworks for Conservation and Storage [PDC Preview]](http://i.ytimg.com/vi/W-f2genlUZI/mqdefault.jpg)
Greg Judy from Green pastures farm does rock skirts and electric poly wire to let the cattle drink but not hang out and chew up the banks.