posted 15 years ago
Yes, it is an ice house. I had friends in Alaska who basically did what you describe, although the building was made of wood with a foot of sawdust in the walls for insulation. And rather than cut slabs of ice, they waited until the winter temperatures were below zero, then filled up the bottom of the ice house with water, let it freeze, and covered it with a heap of sawdust. It stayed frozen all summer.
Kathleen