A narrow hole being drilled in the side of a Utah mountain holds perhaps the last, best chance of finding six coal miners trapped for more than two weeks in a cave-in.

RESCUERS searching for six coal miners who have been trapped for 10 days got two pieces of hopeful news yesterday — images of an intact chamber with potentially breathable air and the sound of mysterious vibrations in the mountain.

A tiny microphone lowered deep into the earth this morning picked up no evidence that six coal miners are alive four days after they were caught in a cave-in.

Rescue crews clinging to a Utah mountainside struggled to drill two narrow holes in a painfully slow effort to get air and food to six miners trapped in a cave-in.