# Relationship history for MSHA mine 0801183

Current hierarchy: **Mosaic Company → Mosaic Fertilizer, LLC → South Fort 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Mobil Corp → South Fort Meade Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cargill Inc → South Fort Meade Mine; 1986-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mobil Mining & Minerals Company → South Fort Meade Mine; 1991-10-01 to 1995-12-14; source msha-controller-operator-history
- **controller_controls_operator:** Mobil Corp → Mobil Mining & Minerals Company; 1991-10-01 to 1995-12-14; source msha-controller-operator-history
- **controller_controls_mine:** Mosaic Company → South Fort Meade Mine; 1993-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cargill Fertilizer, LLC → South Fort Meade Mine; 1995-12-15 to 2004-10-22; source msha-controller-operator-history
- **controller_controls_operator:** Cargill Inc → Cargill Fertilizer, LLC; 1995-12-15 to 2004-10-22; source msha-controller-operator-history
- **operator_operates_mine:** Mosaic Fertilizer, LLC → South Fort 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