BLM claimant of record

AMERICAN GYPSUM CO

Active unpatented mining claims held on US federal land, from BLM's public Mineral & Land Records System. Earliest active claim located 1987-09-24.

Active claims
211
Acres
4,220
States
2
Latest filing
2015-10-21

Claims by state

StateActive claims
CO191
NM20

Claim types

Mill Site211

Annual maintenance estimate

At ~$200/claim, this portfolio's BLM maintenance runs an estimated $42,200 for lode claims, mill sites, and tunnel sites at the current published rate. Placer claims can be assessed per 20 acres or portion. BLM is authoritative for current amounts, eligibility, and deadlines: confirm the fee schedule.

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Source: BLM MLRS public records, as of 2026-08-20. Counts reflect claims where this exact claimant name appears of record; related entities filing under other names are listed separately. Corrections: hello@orefront.io