# Relationship history for MSHA mine 1513774

Current hierarchy: **Bhaha Ramesh → Dominion Fuels Inc → Dominion Fuels Inc**

- 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:** Tripple R Coal Company Inc → Dominion Fuels Inc; 1982-10-01 to 1989-11-27; source msha-controller-operator-history
- **controller_controls_mine:** Robinson Danny & Jack → Dominion Fuels Inc; 1982-10-01 to 1989-11-27; source msha-controller-operator-history
- **controller_controls_operator:** Robinson Danny & Jack → Tripple R Coal Company Inc; 1982-10-01 to 1989-11-27; source msha-controller-operator-history
- **operator_operates_mine:** Dominion Fuels Inc → Dominion Fuels Inc; 1989-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bhaha Ramesh → Dominion Fuels Inc; 1989-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bhaha Ramesh → Dominion Fuels Inc; 1989-11-28 to current/open; source msha-controller-operator-history