# Relationship history for MSHA mine 1510444

Current hierarchy: **Poteet J W & Daniel Pennington → J & D Coal Company → No 1 Mine**

- 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:** Cynthia Ann Coal Company Inc → No 1 Mine; 1977-06-01 to 1979-04-16; source msha-controller-operator-history
- **controller_controls_mine:** Garrett Charles → No 1 Mine; 1977-06-01 to 1979-04-16; source msha-controller-operator-history
- **controller_controls_operator:** Garrett Charles → Cynthia Ann Coal Company Inc; 1977-06-01 to 1979-04-16; source msha-controller-operator-history
- **operator_operates_mine:** Cynthia Ann Coal Company Inc → No 1 Mine; 1979-04-17 to 1981-10-07; source msha-controller-operator-history
- **controller_controls_mine:** Jones Harold Gregory → No 1 Mine; 1979-04-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jones Harold Gregory → Cynthia Ann Coal Company Inc; 1979-04-17 to 1981-10-07; source msha-controller-operator-history
- **controller_controls_mine:** Osborne Randall → No 1 Mine; 1981-03-01 to 1983-04-14; source msha-controller-operator-history
- **operator_operates_mine:** Lee Coals Inc → No 1 Mine; 1981-10-08 to 1983-04-14; source msha-controller-operator-history
- **controller_controls_operator:** Osborne Randall → Lee Coals Inc; 1981-10-08 to 1983-04-14; source msha-controller-operator-history
- **controller_controls_mine:** Osborne Ada Jo & Vera → No 1 Mine; 1983-02-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Vo Jo Coals Inc → No 1 Mine; 1983-04-15 to 1984-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Osborne Ada Jo & Vera → Vo Jo Coals Inc; 1983-04-15 to 1984-07-25; source msha-controller-operator-history
- **operator_operates_mine:** J & D Coal Company → No 1 Mine; 1984-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Poteet J W & Daniel Pennington → No 1 Mine; 1984-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Poteet J W & Daniel Pennington → J & D Coal Company; 1984-07-26 to current/open; source msha-controller-operator-history