# Relationship history for MSHA mine 4404604

Current hierarchy: **Tramel Lewis & Bobby Cline → Tramel & Cline Mining 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

- **controller_controls_mine:** Jackson Raymond → No 1; 1976-04-01 to 1981-06-17; source msha-controller-operator-history
- **operator_operates_mine:** Kennedy Coal Corp → No 1; 1976-12-01 to 1981-06-17; source msha-controller-operator-history
- **controller_controls_operator:** Jackson Raymond → Kennedy Coal Corp; 1976-12-01 to 1981-06-17; source msha-controller-operator-history
- **operator_operates_mine:** Kennedy Coal Corp → No 1; 1981-06-18 to 1982-03-18; source msha-controller-operator-history
- **controller_controls_mine:** Cox Emory → No 1; 1981-06-18 to 1982-03-18; source msha-controller-operator-history
- **controller_controls_operator:** Cox Emory → Kennedy Coal Corp; 1981-06-18 to 1982-03-18; source msha-controller-operator-history
- **operator_operates_mine:** Tramel & Cline Mining Inc → No 1; 1982-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tramel Lewis & Bobby Cline → No 1; 1982-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tramel Lewis & Bobby Cline → Tramel & Cline Mining Inc; 1982-03-19 to current/open; source msha-controller-operator-history