43 CFR § 3832.43 - How may I use a tunnel site?

---
identifier: "/us/cfr/t43/s3832.43"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "43 CFR § 3832.43 - How may I use a tunnel site?"
title_number: 43
title_name: "Public Lands: Interior"
section_number: "3832.43"
section_name: "How may I use a tunnel site?"
chapter_name: "BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR"
subchapter_number: "C"
subchapter_name: "MINERALS MANAGEMENT (3000)"
part_number: "3832"
part_name: "LOCATING MINING CLAIMS OR SITES"
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. 22  43 U.S.C. 2, 1201, 1457, 1740, 1744."
regulatory_source: "68 FR 61069, Oct. 24, 2003, unless otherwise noted."
cfr_part: "3832"
---


# 3832.43 How may I use a tunnel site?

You may use the tunnel site for subsurface access to a lode claim or to explore for and acquire previously unknown lodes, veins, or ledges within the confines of the tunnel site.