Home›Underground mining›Room-and-pillar法🌐日本語EnglishDeutschFrançaisالعربية中文日本語EntityQ2505150· pop 6· linked from 130 articlesRoom-and-pillar法Also known as room and pillarmining system in which the mined material is extracted across a horizontal plane, creating horizontal arrays of rooms and pillarsAvailable in 6 languagesFrançaisDeutschالعربيةSerbianUkrainianvia Wikidata sitelinks · CC0ConnectionsrockEntityuraniumEntityCategoriesUnderground mining