Posted 12/6/2011 02:45 (#2087105 - in reply to #2086968) Subject: Re: mouse holes in the tile
Mid Michigan
We had a muskrat do that to a main tile about 3 years ago. Made a big sinkhole in the field. I dug a big hole around it with a backhoe and we patched the hole. Boy was that clay ground hard around that main tile. This was about 1000 feet from the outlet.