[Digestion] biogas digester for cold climates

[Elisabeth Staniewski]

Dear Digestion Friends,

It was a while ago that I was exchanging information with (I believe) David
House, about biogas digester training workshop in Alberta, Canada.  I recall
that you have been building a prototype that would be housed in some kind of
structure to reduce heating costs.  Or maybe it was not David but Richard
Harris but I cannot recall now.  This wonderful person who wrote to me about
his prototype, could you get back to me?

Elisabeth
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