III.

BORINGS AND SHAFTS.

HOW COAL MINES ARE DISCOVERED.—OUTCROPPINGS.—SCIENTIFIC RESEARCHES.—HOW A MARBLE QUARRY WAS FOUND.—BORING A WELL, AND WHAT CAME OF IT.—A LOCAL DEBATING SOCIETY.—INTIMATE RELATIONS OF COAL MINES AND THE STEAM ENGINE.—STRIKING OIL.—“DAD’S STRUCK ILE.”—THE UNHAPPY MAIDEN’S FATE.—COAL INSTEAD OF WATER.—THE TOOLS TO BE USED.—A DEEP HOLE.—TERRIBLE ACCIDENT, AND A MINER’S COOLNESS.—SINKING SHAFTS.—AN INGENIOUS APPARATUS.—ACCIDENTS IN SHAFTS.—REQUIREMENTS OF THE LAW. 53