# Relationship history for MSHA mine 4606856

Current hierarchy: **Charles Douglas  Bailey → Bailey Energy Inc → Bailey Energy Inc**

- 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:** Rocking R Coal Company Inc → Bailey Energy Inc; 1984-10-01 to 1986-04-10; source msha-controller-operator-history
- **controller_controls_mine:** Roberts Halsey → Bailey Energy Inc; 1984-10-01 to 1986-04-10; source msha-controller-operator-history
- **controller_controls_operator:** Roberts Halsey → Rocking R Coal Company Inc; 1984-10-01 to 1986-04-10; source msha-controller-operator-history
- **operator_operates_mine:** J J & S Coal Corp → Bailey Energy Inc; 1986-04-11 to 1986-07-24; source msha-controller-operator-history
- **controller_controls_mine:** Dillon Samuel E → Bailey Energy Inc; 1986-04-11 to 2001-05-21; source msha-controller-operator-history
- **controller_controls_operator:** Dillon Samuel E → J J & S Coal Corp; 1986-04-11 to 1986-07-24; source msha-controller-operator-history
- **operator_operates_mine:** Raffer Coal Corp → Bailey Energy Inc; 1986-07-25 to 1987-09-28; source msha-controller-operator-history
- **controller_controls_mine:** Powell Roy → Bailey Energy Inc; 1986-07-25 to 1987-09-28; source msha-controller-operator-history
- **controller_controls_operator:** Powell Roy → Raffer Coal Corp; 1986-07-25 to 1987-09-28; source msha-controller-operator-history
- **operator_operates_mine:** Bailey Energy Inc → Bailey Energy Inc; 1987-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Charles Douglas  Bailey → Bailey Energy Inc; 1987-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles Douglas  Bailey → Bailey Energy Inc; 1987-09-29 to current/open; source msha-controller-operator-history