hell hole mine 예문

• A third shaft was sunk after 1904 accessing nine workable coal seams between the Arley and the Victoria or Hell Hole mines and the original Gibfield shaft was used for ventilation.
• A third shaft was sunk after 1904 accessing nine workable coal seams between the Arley Mine and the Victoria or Hell Hole mine while the original Gibfield shaft was used for ventilation.