# Relationship history for MSHA mine 4003476

Current hierarchy: **Lyndon Chris  Jared → L and C Stone Company → Quarry**

- 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:** L and J Stone Company → Quarry; 2017-06-08 to 2024-10-23; source msha-controller-operator-history
- **controller_controls_mine:** Jordan  Jared → Quarry; 2017-06-08 to 2022-08-24; source msha-controller-operator-history
- **controller_controls_operator:** Jordan  Jared → L and J Stone Company; 2017-06-08 to 2022-08-24; source msha-controller-operator-history
- **controller_controls_mine:** Lyndon T  Jared → Quarry; 2022-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lyndon T  Jared → L and J Stone Company; 2022-08-25 to 2024-10-23; source msha-controller-operator-history
- **operator_operates_mine:** L and C Stone Company → Quarry; 2024-10-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lyndon Chris  Jared → Quarry; 2024-10-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lyndon Chris  Jared → L and C Stone Company; 2024-10-24 to current/open; source msha-controller-operator-history