http://www.green-trust.org/products/
about half way down the page is a photo and this description of plans for building a geodesic quonset.
It seems to only take a few hundred dollars in lumber and nails. Can be covered with various skins. I wonder if it could be covered with some kind of surfacing, a waterproof membrane and earth, kinda like an earthen mound such as indigenous cultures used and lived in.
What a great idea for different kinds of out buildings or even to cover over a trailer or small home with vertical side walls and the quonset on top. I bought the plans back in the winter, and am wondering if anyone else has ever built anything with this design.
Steve Spence used it for an outbuilding for his generator and firewood and a chicken coop. He covered it with polyethelene.
Here is the description:
Geodesic Quonset Plans- $40 (Electronic Download). The first (and only?) example of a linear geodesic structure. Very strong, light weight, and inexpensive structure, ideal for garages, workshops, greenhouses, even homes. Can take a very heavy snow load, and extremely resistant to wind.
Can be used to connect Geodesic dome structures, or freestanding on it's own. (Free preview)