14th December 2007, 09:04 PM
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#11 (permalink)
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| Eric Frei Administrator - Brisbane L5 (Dip) Hort Cert III Arb + some
Join Date: Jan 2007 Location: Brisbane
Posts: 6,943
|  Re: Tree protection zones| Critical root zones| Critical Root Radius| AUSTRALIA
Dr Kim D Coder's 1996 PDF, also covers structural root plate from Mattheck's work. |
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