# Relationship history for MSHA mine 4607080

Current hierarchy: **Baisden Joe → A & M Mining Inc → Raw Coal 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:** Chafin John C Sr → Raw Coal Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Chafin Coal Company Inc → Raw Coal Plant; 1986-02-01 to 1988-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Chafin John C Sr → Chafin Coal Company Inc; 1986-02-01 to 1988-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Baisden Joe → Raw Coal Plant; 1987-09-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** A & M Mining Inc → Raw Coal Plant; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Baisden Joe → A & M Mining Inc; 1988-09-01 to current/open; source msha-controller-operator-history