# Relationship history for MSHA mine 2003685

Current hierarchy: **Carmeuse Holding SA → Carl Schlegel, Inc → Pineview**

- 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:** David R  Schlegel → Pineview; 1950-01-01 to 2013-12-30; source msha-controller-operator-history
- **controller_controls_mine:** Matt  Schlegel et al → Pineview; 2013-12-31 to 2022-01-20; source msha-controller-operator-history
- **controller_controls_mine:** Carmeuse Holding SA → Pineview; 2022-01-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Carl Schlegel, Inc → Pineview; 2024-11-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matt  Schlegel et al → Carl Schlegel, Inc; 2024-11-22 to 2022-01-20; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Schlegel et al → Carl Schlegel, Inc; 2024-11-22 to 2022-01-20; source msha-controller-operator-history
- **controller_controls_operator:** David R  Schlegel → Carl Schlegel, Inc; 2024-11-22 to 2013-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Carmeuse Holding SA → Carl Schlegel, Inc; 2024-11-22 to current/open; source msha-controller-operator-history