# Relationship history for MSHA mine 1102775

Current hierarchy: **Jarr Inc → Ill & W Va Coal → Ill 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:** Fleschner George → Ill Mine; 1978-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coal Producers Inc → Ill Mine; 1982-01-01 to 1983-12-04; source msha-controller-operator-history
- **controller_controls_operator:** Fleschner George → Coal Producers Inc; 1982-01-01 to 1983-12-04; source msha-controller-operator-history
- **operator_operates_mine:** Ill & W Va Coal → Ill Mine; 1983-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jarr Inc Et Al → Ill Mine; 1983-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jarr Inc Et Al → Ill & W Va Coal; 1983-12-05 to current/open; source msha-controller-operator-history