# Relationship history for MSHA mine 1510158

Current hierarchy: **Hogg Jim → Whitesburg Coal Inc → No 3 Processing Plant**

- 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:** Donald G  LaViers → No 3 Processing Plant; 1975-03-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Red Fox Coal Company Inc → No 3 Processing Plant; 1976-12-01 to 1982-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Donald G  LaViers → Red Fox Coal Company Inc; 1976-12-01 to 1982-07-14; source msha-controller-operator-history
- **controller_controls_mine:** Hogg Jim → No 3 Processing Plant; 1979-12-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Whitesburg Coal Inc → No 3 Processing Plant; 1982-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hogg Jim → Whitesburg Coal Inc; 1982-07-15 to current/open; source msha-controller-operator-history
