# Relationship history for MSHA mine 1510413

Current hierarchy: **Aaron  Justice Jr → Cabin Knoll Coal Company → No 74-6 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Aaron  Justice Jr → No 74-6 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Triple C Coal Company → No 74-6 Mine; 1977-05-01 to 1977-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Clevinger Gregory-Dennis & Ellis Et Al → No 74-6 Mine; 1977-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clevinger Gregory-Dennis & Ellis Et Al → Triple C Coal Company; 1977-05-01 to 1977-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Hickory Tree Coal Company Inc → No 74-6 Mine; 1977-07-01 to 1978-07-27; source msha-controller-operator-history
- **controller_controls_mine:** Moore Larry A → No 74-6 Mine; 1977-07-01 to 1978-07-27; source msha-controller-operator-history
- **controller_controls_operator:** Moore Larry A → Hickory Tree Coal Company Inc; 1977-07-01 to 1978-07-27; source msha-controller-operator-history
- **operator_operates_mine:** Cabin Knoll Coal Company → No 74-6 Mine; 1978-07-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aaron  Justice Jr → Cabin Knoll Coal Company; 1978-07-28 to current/open; source msha-controller-operator-history