StacksVerified U.S. regulatory reference

30 CFR §75.201

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Automated temporary roof support (ATRS) system. A device to provide temporary roof support from a location where the equipment operator is protected from roof falls. Pillar recovery. Any reduction in pillar size during retreat mining.