BLM claimant record

CASTLE MOUNTAIN VENTURE

Active unpatented mining claims held on US federal land, from BLM's public Mineral & Land Records System. Earliest active claim located 1937-02-09.

Active claims
415
Acres
7,504
States
1
Latest filing
2018-08-24

Claims by state

StateActive claims
CA415

Claim types

Lode234
Tunnel Site138
Mill Site43

2026 maintenance estimate

At ~$200/claim, this portfolio's BLM maintenance runs an estimated $83,000 — due September 1, 2026, or the claims void. Estimates from public records — see the full deadline guide and get reminders.

All top claimants → Live claims map → Fee deadline guide →

Source: BLM MLRS public records, as of 2026-07-03. Counts reflect claims where this exact claimant name appears of record; related entities filing under other names are listed separately. Corrections: [email protected]