# Relationship history for MSHA mine 1514296

Current hierarchy: **Daniels Kevin → Dayco Coal Company Inc → No 1**

- 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:** Mitch Coal Company Inc → No 1; 1983-10-01 to 1987-02-16; source msha-controller-operator-history
- **controller_controls_mine:** Jody  Samons → No 1; 1983-10-01 to 1987-02-16; source msha-controller-operator-history
- **controller_controls_operator:** Jody  Samons → Mitch Coal Company Inc; 1983-10-01 to 1987-02-16; source msha-controller-operator-history
- **operator_operates_mine:** Dayco Coal Company Inc → No 1; 1987-02-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Daniels Kevin → No 1; 1987-02-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniels Kevin → Dayco Coal Company Inc; 1987-02-17 to current/open; source msha-controller-operator-history