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Posted by Ken --Previous Message--
on 11/4/2004, 7:44 am, in reply to "Frost depth"
68.79.131.22
My research indicates the frost depth to be about 30". We generally try to go down at least 48" to stay clear of frost. An extremely cold winter could go deeper.
: Would you know how deep is the frost line in
: Morthampton County, PA? It's zone 6.
:
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