# Relationship history for MSHA mine 0800174

Current hierarchy: **Mosaic Company → Mosaic Fertilizer, LLC → FT MEADE MINE**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Gardinier Inc → FT MEADE MINE; 1950-01-01 to 1985-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Gardinier Inc → FT MEADE MINE; 1950-01-01 to 1985-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Gardinier Inc → Gardinier Inc; 1950-01-01 to 1985-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Cargill Fertilizer, LLC → FT MEADE MINE; 1986-01-01 to 2004-10-22; source msha-controller-operator-history
- **controller_controls_mine:** Cargill Inc → FT MEADE MINE; 1986-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cargill Inc → Cargill Fertilizer, LLC; 1986-01-01 to 2004-10-22; source msha-controller-operator-history
- **controller_controls_mine:** Mosaic Company → FT MEADE MINE; 1993-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mosaic Fertilizer, LLC → FT MEADE MINE; 2004-10-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mosaic Company → Mosaic Fertilizer, LLC; 2004-10-23 to current/open; source msha-controller-operator-history