# Relationship history for MSHA mine 1511320

Current hierarchy: **Jerry  Tackett → Tackett Mining Company Inc → No 3 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

- **controller_controls_mine:** Taylor Fields Et Al → No 3 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** F Taylor Coal Company Inc → No 3 Mine; 1978-05-01 to 1981-08-23; source msha-controller-operator-history
- **controller_controls_operator:** Taylor Fields Et Al → F Taylor Coal Company Inc; 1978-05-01 to 1981-08-23; source msha-controller-operator-history
- **operator_operates_mine:** Smokey Mining Company Inc → No 3 Mine; 1981-08-24 to 1984-05-22; source msha-controller-operator-history
- **controller_controls_mine:** Bevins Clifford G → No 3 Mine; 1981-08-24 to 1984-05-22; source msha-controller-operator-history
- **controller_controls_operator:** Bevins Clifford G → Smokey Mining Company Inc; 1981-08-24 to 1984-05-22; source msha-controller-operator-history
- **operator_operates_mine:** Tackett Mining Company Inc → No 3 Mine; 1984-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jerry  Tackett → No 3 Mine; 1984-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Tackett → Tackett Mining Company Inc; 1984-05-23 to current/open; source msha-controller-operator-history