"Bill Stock" wrote in message
...
The other bad news is that the weight of the water has turned the clay
into one large brick bowl, even the Mattock has a hard time breaking it
up. I was hoping that all the moisture around the pond would make the clay
soft, but that is not the case.
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Clay soil is the pits. Rock hard when dry and like mustard when wet. After
about 8 years we had to drain both ponds and make cement berms. The clay
sank over the years, some washed away, the sides, sloped, still started to
collapse.... the rocks were falling in, runoff was entering one pond. I
would make the cement berm before adding the liner rather than have to go
back years later when the problems start.
--

RM....
My Pond & Aquarium Pages:
http://tinyurl.com/9do58
Zone 6. Middle TN USA
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