11-13-2006, 07:08 AM
Dave, the discussion you remember was on the post vs slab, and it was about the physical barrier University of Hawaii developed using a special sized basalt
http://www2.hawaii.edu/~entomol/pdf_files/hsp-3.pdf
Aloha, Carey
http://www2.hawaii.edu/~entomol/pdf_files/hsp-3.pdf
Aloha, Carey