# Relationship history for MSHA mine 3101182

Current hierarchy: **Walter F  Rose Jr → Rose Brothers Paving Co., Inc. → Hoggard Pit**

- 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:** Dickerson Inc → Hoggard Pit; 1950-01-01 to 1985-01-14; source msha-controller-operator-history
- **controller_controls_mine:** Dickerson Group Inc → Hoggard Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dickerson Group Inc → Dickerson Inc; 1950-01-01 to 1985-01-14; source msha-controller-operator-history
- **operator_operates_mine:** Rose Brothers Paving Co., Inc. → Hoggard Pit; 1985-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Walter F  Rose Jr → Hoggard Pit; 1985-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Walter F  Rose Jr → Rose Brothers Paving Co., Inc.; 1985-01-15 to current/open; source msha-controller-operator-history