Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Mddeming-at-aol-dot-com>
Hi Gary, All,
        Brine (salt + water) eats concrete as well as many metals. It also 
kills tree roots, shrubs and grass. Burying in the dirt should be adequate. 
I would use salt only as a very last resort if nothing else worked.
Matt D.