# Relationship history for MSHA mine 4002960

Current hierarchy: **Capps David → W G S Coal Inc → No 4**

- 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:** Lower Fork Mining Inc → No 4; 1987-10-01 to 1995-06-19; source msha-controller-operator-history
- **controller_controls_mine:** Roger E  West → No 4; 1987-10-01 to 1995-06-19; source msha-controller-operator-history
- **controller_controls_operator:** Roger E  West → Lower Fork Mining Inc; 1987-10-01 to 1995-06-19; source msha-controller-operator-history
- **controller_controls_mine:** Capps David Et Al → No 4; 1994-04-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tennessee Mining Inc → No 4; 1995-06-20 to 1995-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Doug D  Moore → No 4; 1995-06-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Doug D  Moore → Tennessee Mining Inc; 1995-06-20 to 1995-10-09; source msha-controller-operator-history
- **operator_operates_mine:** W G S Coal Inc → No 4; 1995-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Capps David Et Al → W G S Coal Inc; 1995-10-10 to current/open; source msha-controller-operator-history