# Tilden Mining Company L C, Tilden Mine (Marquette County, MI): MSHA citation under 56.20003(a) (2026-05-26)

**Safety Need Score:** 40/100

| Field | Value |
|---|---|
| Company | Tilden Mining Company L C |
| Mine | Tilden Mine (ID 2000422) |
| Location | Marquette County, MI |
| Commodity | Iron Ore |
| Mine type | Surface |
| Employees | 860 |
| Issued | 2026-05-26 |
| Action | Citation |
| Standard | 56.20003(a) |
| Significant & substantial | Yes |
| Negligence | Low |
| Proposed penalty | $2,936 |
| Contested | No |

## Why this score
- Significant and substantial (S&S).

Source: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only (https://www.msha.gov/data-and-reports/mine-data-retrieval-system?mineId=2000422). Last refreshed: 2026-11-04T01:31:23.849Z.
Data comes from MSHA Open Government Data files, which MSHA updates weekly; citations can appear days to weeks after issue, and proposed penalties are often blank until assessed months later. Citations can be modified, vacated or contested; confirm on the MSHA Mine Data Retrieval System. Company violators only; individual agents are excluded. Not a consumer report and may not be used for FCRA purposes. Informational only; not legal or safety advice.