Ranta v. Newport Mining Co.

The defendant operates an iron mine at Ironwood, Mich., with the customary shafts, drifts, levels, sublevels, chutes and raises. From one of the main drifts, or levels, known as the fifteenth level, a perpendicular shaft, or raise, had been constructed, reaching upward to a drift 47 feet above, which was known as the forty-seventh sublevel. Mining operations were going on in this sublevel, and the raise in question had been constructed as a chute through which ore was dropped to the level below. It was divided by a partition into two perpendicular compartments, and, when the ore clogged in…