# Relationship history for MSHA mine 1800824

Current hierarchy: **Faith  Ritchie; Jody L Ritchie → Beechwood Coal LLC → Koontz**

- 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

- **controller_controls_mine:** Jody L  Ritchie → Koontz; 2007-11-30 to 2022-03-15; source msha-controller-operator-history
- **controller_controls_mine:** Faith  Ritchie et al → Koontz; 2022-03-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Beechwood Coal LLC → Koontz; 2025-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jody L  Ritchie → Beechwood Coal LLC; 2025-08-04 to 2022-03-15; source msha-controller-operator-history
- **controller_controls_operator:** Faith  Ritchie et al → Beechwood Coal LLC; 2025-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jody L Ritchie et al → Beechwood Coal LLC; 2025-08-04 to current/open; source msha-controller-operator-history