# Relationship history for MSHA mine 4405130

Current hierarchy: **Benjamin R.  Bennett → Cumberland River Energies Inc → No 1 Tipple**

- 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:** Chance & Montgomery Coal Company Inc → No 1 Tipple; 1978-04-01 to 1985-06-04; source msha-controller-operator-history
- **controller_controls_mine:** Chance Peter H → No 1 Tipple; 1978-04-01 to 1985-06-04; source msha-controller-operator-history
- **controller_controls_operator:** Chance Peter H → Chance & Montgomery Coal Company Inc; 1978-04-01 to 1985-06-04; source msha-controller-operator-history
- **operator_operates_mine:** Cumberland River Energies Inc → No 1 Tipple; 1985-06-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Benjamin R.  Bennett → No 1 Tipple; 1985-06-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Benjamin R.  Bennett → Cumberland River Energies Inc; 1985-06-05 to current/open; source msha-controller-operator-history
