# Relationship history for MSHA mine 1511658

Current hierarchy: **Yates Randy B → Kickapoo Coal Company → Kickapoo #5**

- 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

- **controller_controls_mine:** Yates Randy B → Kickapoo #5; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** P P & P Leasing Company → Kickapoo #5; 1978-07-01 to 1979-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Patrick Elvin E → Kickapoo #5; 1978-07-01 to 1979-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Patrick Elvin E → P P & P Leasing Company; 1978-07-01 to 1979-07-19; source msha-controller-operator-history
- **operator_operates_mine:** Kickapoo Coal Company → Kickapoo #5; 1979-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Yates Randy B → Kickapoo Coal Company; 1979-07-20 to current/open; source msha-controller-operator-history