# Relationship history for MSHA mine 1512671

Current hierarchy: **Parsley Charles T → Shellyann Coal Company Inc → No 3 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:** Collins Lonnie → No 3 Mine; 1980-09-01 to 1982-04-19; source msha-controller-operator-history
- **operator_operates_mine:** Jag Mining Inc → No 3 Mine; 1980-12-01 to 1981-05-17; source msha-controller-operator-history
- **controller_controls_mine:** Stiltner Regis → No 3 Mine; 1980-12-01 to 1981-12-07; source msha-controller-operator-history
- **controller_controls_operator:** Stiltner Regis → Jag Mining Inc; 1980-12-01 to 1981-05-17; source msha-controller-operator-history
- **operator_operates_mine:** L C Coal Inc → No 3 Mine; 1981-05-18 to 1982-04-19; source msha-controller-operator-history
- **controller_controls_operator:** Collins Lonnie → L C Coal Inc; 1981-05-18 to 1982-04-19; source msha-controller-operator-history
- **operator_operates_mine:** Shellyann Coal Company Inc → No 3 Mine; 1982-04-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Parsley Charles T → No 3 Mine; 1982-04-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Parsley Charles T → Shellyann Coal Company Inc; 1982-04-20 to current/open; source msha-controller-operator-history