# Relationship history for MSHA mine 1505170

Current hierarchy: **Petersville Sleigh Ltd → Chandler Coal Corp → Clemons Tipple**

- 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:** River Coal Company Inc → Clemons Tipple; 1950-01-01 to 1976-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Aminex Resources Corp → Clemons Tipple; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aminex Resources Corp → River Coal Company Inc; 1950-01-01 to 1976-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Consumers Coal Company → Clemons Tipple; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kentucky Prince Coal Corp → Clemons Tipple; 1976-09-01 to 1977-11-13; source msha-controller-operator-history
- **controller_controls_operator:** Consumers Coal Company → Kentucky Prince Coal Corp; 1976-09-01 to 1977-11-13; source msha-controller-operator-history
- **operator_operates_mine:** Cleco Inc → Clemons Tipple; 1977-11-14 to 1978-11-20; source msha-controller-operator-history
- **controller_controls_mine:** Edward L Clemons Estate → Clemons Tipple; 1977-11-14 to 1978-11-20; source msha-controller-operator-history
- **controller_controls_operator:** Edward L Clemons Estate → Cleco Inc; 1977-11-14 to 1978-11-20; source msha-controller-operator-history
- **operator_operates_mine:** Clemons Coal Company Ltd → Clemons Tipple; 1978-11-21 to 1981-07-16; source msha-controller-operator-history
- **controller_controls_mine:** Clemons Mary-Clawford & Hib → Clemons Tipple; 1978-11-21 to 1981-07-16; source msha-controller-operator-history
- **controller_controls_operator:** Clemons Mary-Clawford & Hib → Clemons Coal Company Ltd; 1978-11-21 to 1981-07-16; source msha-controller-operator-history
- **controller_controls_mine:** Petersville Sleigh Ltd Et Al → Clemons Tipple; 1981-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Chandler Coal Corp → Clemons Tipple; 1981-07-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Petersville Sleigh Ltd Et Al → Chandler Coal Corp; 1981-07-17 to current/open; source msha-controller-operator-history