# Relationship history for MSHA mine 1513895

Current hierarchy: **Bobby Joe  Hensley → Hensley Brothers Mining Inc → No 5**

- 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:** Bobby Joe  Hensley → No 5; 1980-11-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Diamond D Coal Company Inc → No 5; 1983-01-01 to 1984-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Fraysier David L → No 5; 1983-01-01 to 1984-01-16; source msha-controller-operator-history
- **controller_controls_operator:** Fraysier David L → Diamond D Coal Company Inc; 1983-01-01 to 1984-01-16; source msha-controller-operator-history
- **operator_operates_mine:** Hensley Brothers Mining Inc → No 5; 1984-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bobby Joe  Hensley → Hensley Brothers Mining Inc; 1984-01-17 to current/open; source msha-controller-operator-history