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374 facts · 512 sources · updated 2026-09-30

Fact mine-025

newrecordconfirmed Federal law: a new claim must be filed with BLM within 90 days of staking, or it is treated as abandoned
1976-10-21 · mine-025 · U.S. Congress, Bureau of Land Management

43 U.S.C. 1744 (FLPMA sec. 314) requires a claim's owner, for any claim located after 21 October 1976, to file a copy of the recorded location notice with BLM within ninety days of location, and to file each year, before 31 December, in both the county office where the location notice is recorded and BLM's designated office. Failing to file is deemed conclusively to be abandonment of the claim.

In plain termsOnce a claim is staked, the claimant has 90 days to register it with BLM, or the claim is treated as abandoned. So markers staked recently may not show on BLM's map yet (mine-002), and BLM can take longer still to map a claim after it is filed (mine-045).
verified 2026-09-29: Re-read 2026-09-29: (a)-(c) and the 21 Oct 1976 source credit match; quote exact. Plain field no longer says a claim must 'appear' on the map within 90 days (filing and mapping differ).

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