# Relationship history for MSHA mine 3605474

Current hierarchy: **Beener C E → C E Beener Coal Inc → Sredy Mine**

- 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:** Beener Edward → Sredy Mine; 1950-01-01 to 1989-11-01; source msha-controller-operator-history
- **operator_operates_mine:** Beener Coal Company Inc → Sredy Mine; 1975-04-01 to 1978-08-28; source msha-controller-operator-history
- **controller_controls_operator:** Beener Edward → Beener Coal Company Inc; 1975-04-01 to 1978-08-28; source msha-controller-operator-history
- **operator_operates_mine:** C Edward Beener Coal Company → Sredy Mine; 1978-08-29 to 1983-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Beener C Edward & Ernie Pyle → Sredy Mine; 1978-08-29 to 1983-08-14; source msha-controller-operator-history
- **controller_controls_operator:** Beener C Edward & Ernie Pyle → C Edward Beener Coal Company; 1978-08-29 to 1983-08-14; source msha-controller-operator-history
- **operator_operates_mine:** C E Beener Coal Inc → Sredy Mine; 1983-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Beener C E → Sredy Mine; 1983-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Beener C E → C E Beener Coal Inc; 1983-08-15 to current/open; source msha-controller-operator-history