AMERICAN COLLOID CO
Active unpatented mining claims held on US federal land, from BLM's public Mineral & Land Records System. Earliest active claim located 1920-09-08.
OreFront maps this exact claimant pattern to the resolved public-company profile Minerals Technologies →
Claims by state
| State | Active claims |
|---|---|
| WY | 1,176 |
| MT | 648 |
| NV | 161 |
Claim types
| Mill Site | 1,838 |
| Lode | 106 |
| Other | 41 |
Annual maintenance estimate
At ~$200/claim, this portfolio's BLM maintenance runs an estimated $397,000 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.
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