# room and pillar mining

> mining system in which the mined material is extracted across a horizontal plane, creating horizontal arrays of rooms and pillars

**Wikidata**: [Q2505150](https://www.wikidata.org/wiki/Q2505150)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Room_and_pillar_mining)  
**Source**: https://4ort.xyz/entity/room-and-pillar-mining