# Relationship history for MSHA mine 4608195

Current hierarchy: **Goff Mauriene → Radec Inc → No 6**

- 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:** Massey Energy Company → No 6; 1975-09-01 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Goff Mauriene → No 6; 1989-05-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Peerless Eagle Coal Company → No 6; 1992-07-01 to 1992-12-01; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Peerless Eagle Coal Company; 1992-07-01 to 1992-12-01; source msha-controller-operator-history
- **operator_operates_mine:** Radec Inc → No 6; 1992-12-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Goff Mauriene → Radec Inc; 1992-12-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → No 6; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Peerless Eagle Coal Company; 2011-06-01 to 1992-12-01; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → No 6; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Peerless Eagle Coal Company; 2016-07-26 to 1992-12-01; source msha-controller-operator-history