# Relationship history for MSHA mine 1512847

Current hierarchy: **Slone Carl → Jag Mining Inc → No 2 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:** Stiltner Regis → No 2 Mine; 1980-12-01 to 1981-12-07; source msha-controller-operator-history
- **operator_operates_mine:** Jag Mining Inc → No 2 Mine; 1981-04-01 to 1981-12-07; source msha-controller-operator-history
- **controller_controls_operator:** Stiltner Regis → Jag Mining Inc; 1981-04-01 to 1981-12-07; source msha-controller-operator-history
- **operator_operates_mine:** Jag Mining Inc → No 2 Mine; 1981-12-08 to 1982-02-11; source msha-controller-operator-history
- **controller_controls_mine:** Varney Barry Dale → No 2 Mine; 1981-12-08 to 1982-02-11; source msha-controller-operator-history
- **controller_controls_operator:** Varney Barry Dale → Jag Mining Inc; 1981-12-08 to 1982-02-11; source msha-controller-operator-history
- **operator_operates_mine:** Jag Mining Inc → No 2 Mine; 1982-02-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Slone Carl → No 2 Mine; 1982-02-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Slone Carl → Jag Mining Inc; 1982-02-12 to current/open; source msha-controller-operator-history