BLM claimant record

CARDERO COPPER (USA) LTD

Active unpatented mining claims held on US federal land, from BLM's public Mineral & Land Records System. Earliest active claim located 1938-09-19.

Active claims
215
Acres
4,000
States
1
Latest filing
2018-11-29

Claims by state

StateActive claims
AZ215

Claim types

Lode195
Tunnel Site20

2026 maintenance estimate

At ~$200/claim, this portfolio's BLM maintenance runs an estimated $43,000 — 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 2026-07-04. Counts reflect claims where this exact claimant name appears of record; related entities filing under other names are listed separately. Corrections: [email protected]