# Relationship history for MSHA mine 4002563

Current hierarchy: **Belcher John → Trigg Mining Company Inc → Clinton 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:** Tennessee Partners Ltd → Clinton No 1 Mine; 1979-12-01 to 1980-09-08; source msha-controller-operator-history
- **controller_controls_mine:** Tennessee Partners Ltd → Clinton No 1 Mine; 1979-12-01 to 1980-09-08; source msha-controller-operator-history
- **controller_controls_operator:** Tennessee Partners Ltd → Tennessee Partners Ltd; 1979-12-01 to 1980-09-08; source msha-controller-operator-history
- **operator_operates_mine:** C & R Coal Company → Clinton No 1 Mine; 1980-09-09 to 1983-10-04; source msha-controller-operator-history
- **controller_controls_mine:** Cline Howard & Jerry R Roberts Et Al → Clinton No 1 Mine; 1980-09-09 to 1983-10-04; source msha-controller-operator-history
- **controller_controls_operator:** Cline Howard & Jerry R Roberts Et Al → C & R Coal Company; 1980-09-09 to 1983-10-04; source msha-controller-operator-history
- **operator_operates_mine:** Trigg Mining Company Inc → Clinton No 1 Mine; 1983-10-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Belcher John → Clinton No 1 Mine; 1983-10-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Belcher John → Trigg Mining Company Inc; 1983-10-05 to current/open; source msha-controller-operator-history