# Relationship history for MSHA mine 4608550

Current hierarchy: **Paul E  Stover → Skin Poplar Coal Corp → War Eagle 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:** Donn A  Chickering → War Eagle Mine; 1994-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Paul E  Stover → War Eagle Mine; 1995-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Wyoming Pocahontas Land Company → War Eagle Mine; 1996-02-01 to 1997-04-10; source msha-controller-operator-history
- **controller_controls_operator:** Donn A  Chickering → Wyoming Pocahontas Land Company; 1996-02-01 to 1997-04-10; source msha-controller-operator-history
- **operator_operates_mine:** Skin Poplar Coal Corp → War Eagle Mine; 1997-04-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul E  Stover → Skin Poplar Coal Corp; 1997-04-11 to current/open; source msha-controller-operator-history