30 CFR § 819.21 - Auger mining: Protection of underground mining.

---
identifier: "/us/cfr/t30/s819.21"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 819.21 - Auger mining: Protection of underground mining."
title_number: 30
title_name: "Mineral Resources"
section_number: "819.21"
section_name: "Auger mining: Protection of underground mining."
chapter_name: "OFFICE OF SURFACE MINING RECLAMATION AND ENFORCEMENT, DEPARTMENT OF THE INTERIOR"
subchapter_number: "K"
subchapter_name: "PERMANENT PROGRAM PERFORMANCE STANDARDS"
part_number: "819"
part_name: "SPECIAL PERMANENT PROGRAM PERFORMANCE STANDARDS-AUGER MINING"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Pub. L. 95-87, 30 U.S.C. 1201"
regulatory_source: "48 FR 19322, Apr. 28, 1983, unless otherwise noted."
cfr_part: "819"
---


# 819.21 Auger mining: Protection of underground mining.

Auger holes shall not extend closer than 500 feet (measured horizontally) to any abandoned or active underground mine workings, except as approved in accordance with § 816.79 of this chapter.