# Relationship history for MSHA mine 4607472

Current hierarchy: **Daugherty Jimmy Lee → 5 Block Leasing 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:** Morgan Oscar → No 1; 1986-05-14 to 1989-04-06; source msha-controller-operator-history
- **operator_operates_mine:** Morgan Energy Inc → No 1; 1988-03-01 to 1989-04-06; source msha-controller-operator-history
- **controller_controls_operator:** Morgan Oscar → Morgan Energy Inc; 1988-03-01 to 1989-04-06; source msha-controller-operator-history
- **operator_operates_mine:** Double J & B Coal Company Inc → No 1; 1989-04-07 to 1989-08-09; source msha-controller-operator-history
- **controller_controls_mine:** Daugherty Jerry → No 1; 1989-04-07 to 1991-10-27; source msha-controller-operator-history
- **controller_controls_operator:** Daugherty Jerry → Double J & B Coal Company Inc; 1989-04-07 to 1989-08-09; source msha-controller-operator-history
- **operator_operates_mine:** Cedar Grove Leasing Inc → No 1; 1989-08-10 to 1989-11-01; source msha-controller-operator-history
- **controller_controls_mine:** Morgan Don P → No 1; 1989-08-10 to 1989-11-01; source msha-controller-operator-history
- **controller_controls_operator:** Morgan Don P → Cedar Grove Leasing Inc; 1989-08-10 to 1989-11-01; source msha-controller-operator-history
- **operator_operates_mine:** 5 Block Leasing Inc → No 1; 1989-11-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Daugherty Jimmy Lee → No 1; 1989-11-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daugherty Jimmy Lee → 5 Block Leasing Inc; 1989-11-02 to current/open; source msha-controller-operator-history