30 CFR § 77.1004 - Ground control; inspection and maintenance; general.
---
identifier: "/us/cfr/t30/s77.1004"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 77.1004 - Ground control; inspection and maintenance; general."
title_number: 30
title_name: "Mineral Resources"
section_number: "77.1004"
section_name: "Ground control; inspection and maintenance; general."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "O"
subchapter_name: "COAL MINE SAFETY AND HEALTH"
part_number: "77"
part_name: "MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 811."
regulatory_source: "36 FR 9364, May 22, 1971, unless otherwise noted."
cfr_part: "77"
---
# 77.1004 Ground control; inspection and maintenance; general.
(a) Highwalls, banks, benches, and terrain sloping into the working areas shall be examined after every rain, freeze, or thaw before men work in such areas, and such examination shall be made and recorded in accordance with § 77.1713.
(b) Overhanging highwalls and banks shall be taken down and other unsafe ground conditions shall be corrected promptly, or the area shall be posted.