Jan & Del Seay wrote:
>
> Remember the goal is not to provide x-lbs of concrete to hold the
> load, but to provide a device that requires movement of x-yards
> of undisturbed earth. A flat sided device will require more earth
> to be moved per yard of concrete, than does a round device.
I agree, however, I would drill with the tractor and then square the
holes with a "sharpshooter" shovel and hand post hole diggers...
Chuck, KE5FI
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