"David Lesher" wrote in message ...

We now plan to put down pressure-treated 2*4's 12' long; drilled at
~30 degree angles to the vertical. We'll use ~30' lengths of
rebar with a welded nut & a fender washer or two, and hammer them into
the clay. Then we'll lag-screw the structure legs to the 2x4's.



30'...or 30"