# Relationship history for MSHA mine 1100564

Current hierarchy: **Burks James L → Southern Illinois Mineral Corp → Carbondale No 1 Strip**

- 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

- **operator_operates_mine:** Tab Coal Mining Company Inc → Carbondale No 1 Strip; 1950-01-01 to 1974-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Wible John → Carbondale No 1 Strip; 1950-01-01 to 1974-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Wible John → Tab Coal Mining Company Inc; 1950-01-01 to 1974-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Dyer Robert → Carbondale No 1 Strip; 1974-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Three States Trucking Inc → Carbondale No 1 Strip; 1974-09-01 to 1977-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Dyer Robert → Three States Trucking Inc; 1974-09-01 to 1977-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Burks James L → Carbondale No 1 Strip; 1977-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Southern Illinois Mineral Corp → Carbondale No 1 Strip; 1977-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Burks James L → Southern Illinois Mineral Corp; 1977-04-01 to current/open; source msha-controller-operator-history