Super Adobe is a form of earth bag architecture developed by architect & CalEarth founder Nader Khalil. A revolutionary building system that integrates traditional earth architecture with contemporary global safety requirements, and passes severe earthquake code tests in California.
I have 2 - 250 yard rolls, that are 18" wide and the tamping tool. Can build a small dome, garden beds, retaining wall etc. What can be built with this outstanding system is remarkable. Check out their website for more info. calearth.org