# Relationship history for MSHA mine 4606601

Current hierarchy: **Young John P → Jagrti Coal Company Inc → Hickorylick Run No 10 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:** Young John P → Hickorylick Run No 10 Mine; 1982-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cross Mountain Mining Inc → Hickorylick Run No 10 Mine; 1982-11-01 to 1983-11-14; source msha-controller-operator-history
- **controller_controls_mine:** Bolen Aaron Doug → Hickorylick Run No 10 Mine; 1982-11-01 to 1983-11-14; source msha-controller-operator-history
- **controller_controls_operator:** Bolen Aaron Doug → Cross Mountain Mining Inc; 1982-11-01 to 1983-11-14; source msha-controller-operator-history
- **operator_operates_mine:** Little Robin Coal Company Inc → Hickorylick Run No 10 Mine; 1983-11-15 to 1986-07-30; source msha-controller-operator-history
- **controller_controls_mine:** Thompson Robert H → Hickorylick Run No 10 Mine; 1983-11-15 to 1986-07-30; source msha-controller-operator-history
- **controller_controls_operator:** Thompson Robert H → Little Robin Coal Company Inc; 1983-11-15 to 1986-07-30; source msha-controller-operator-history
- **operator_operates_mine:** Jagrti Coal Company Inc → Hickorylick Run No 10 Mine; 1986-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Young John P → Jagrti Coal Company Inc; 1986-07-31 to current/open; source msha-controller-operator-history