ECFR SNAPSHOT / CURRENT THROUGH 2026-08-19

30 CFR 817.13

Casing and sealing of exposed underground openings: General requirements.

CHAPTERCHAPTER VII—OFFICE OF SURFACE MINING RECLAMATION AND ENFORCEMENT, DEPARTMENT OF THE INTERIOR
PARTPART 817—PERMANENT PROGRAM PERFORMANCE STANDARDS—UNDERGROUND MINING ACTIVITIES
SUBPARTNot specified