# Relationship history for MSHA mine 4407357

Current hierarchy: **Branscome Holding LLC → Branscome Operating, LLC → Wattsville 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

- **controller_controls_mine:** Colas S A → Wattsville Pit; 2001-02-16 to 2023-04-10; source msha-controller-operator-history
- **operator_operates_mine:** Branscome Operating, LLC → Wattsville Pit; 2015-11-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Colas S A → Branscome Operating, LLC; 2015-11-16 to 2023-04-10; source msha-controller-operator-history
- **controller_controls_mine:** Adams Construction Company → Wattsville Pit; 2023-04-11 to 2023-04-11; source msha-controller-operator-history
- **controller_controls_operator:** Adams Construction Company → Branscome Operating, LLC; 2023-04-11 to 2023-04-11; source msha-controller-operator-history
- **controller_controls_mine:** Branscome Holding LLC → Wattsville Pit; 2023-04-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Branscome Holding LLC → Branscome Operating, LLC; 2023-04-12 to current/open; source msha-controller-operator-history