Original poster: "Ed Phillips by way of Terry Fritz <teslalist-at-qwest-dot-net>" <evp-at-pacbell-dot-net> A common method of getting pipe into hard ground is to attach a nipple to the top of the pipe and feed water through it, thereby turning it in a sort of hydraulic drill. Has worked well for me but doesn't help bore its way through the kind of rocks we have in the soil around my place. Ed