# Relationship history for MSHA mine 0502994

Current hierarchy: **Moores Jean-Craig & Leon → Moores Mining & Ranching → Mineral Channel No 12**

- 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

- **operator_operates_mine:** Ralph Foster & Sons → Mineral Channel No 12; 1950-01-01 to 1980-12-10; source msha-controller-operator-history
- **controller_controls_mine:** Foster Ralph → Mineral Channel No 12; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Foster Ralph → Ralph Foster & Sons; 1950-01-01 to 1980-12-10; source msha-controller-operator-history
- **controller_controls_mine:** Moores Jean-Craig & Leon → Mineral Channel No 12; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Moores Mining & Ranching → Mineral Channel No 12; 1980-12-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Moores Jean-Craig & Leon → Moores Mining & Ranching; 1980-12-11 to current/open; source msha-controller-operator-history