Shelfari edited the subjects of The complete guide to alternative home building materials & methods : including sod, compressed earth, plaster, straw, beer cans, bottles, cordwood, and many other low cost materials Saturday, March 13, 2010.
- Added the subject: Subjects > Professional & Technical > Engineering > Civil > Construction > Building Construction
- Added the subject: Subjects > Professional & Technical > Engineering > Civil > Construction > Materials
- Added the subject: Subjects > Professional & Technical > Engineering > Civil > Construction > Costs
- Added the subject: Subjects > Professional & Technical > Architecture > Materials
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