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Papan Perbincangan Ini Tersedia untuk Pelajar Berdaftar Sahaja.
Connecting with NATURE through TREE BIOLOGY.
Page 15 TREE BASICS by Dr. Shigo. Taught by John Keslick.
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Tentang John Keslick
John Keslick
I am a US Reg Army Veteran. Studied NEW TREE BIOLOGY for 1991 to 2005. Live in Philadelphia Area. Happy Married since 2003.