Gunvor Trinderup Schaldemose

Gunvor Trinderup Schaldemose

Gunvor Trinderup Schaldemose
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Earth-Sheltered / Underground Houses: How-to books to build your own low-cost, energy efficient undergound home.

Dirt Cheap Builder book list about low-cost, energy efficient earth-sheltered and underground house construction. Earth-Sheltered Underground Houses: Build a low-cost, energy efficient home