Regulations last checked for updates: Feb 07, 2026

Title 43 - Public Lands: Interior last revised: Dec 18, 2025
All TitlesTitle 43Chapter IIPart 3580Subpart 3581 - Subpart 3581—Gold, Silver, or Quicksilver in Confirmed Private Land Grants
authority: 16 U.S.C. 90c-1,460n,460q,460dd,460mm; 30 U.S.C. 189,293,359; 31 U.S.C. 9701; 43 U.S.C. 1201,1732,1733,1740; 47 Stat. 1487
source: 51 FR 15256, Apr. 22, 1986, unless otherwise noted.
cite as: 43 CFR 3581.4
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