# Relationship history for MSHA mine 1518360

Current hierarchy: **Alpha Natural Resources, Inc. → Panther Mining LLC → Mine #3**

- 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:** Cumberland Resources Corporation → Mine #3; 1999-09-01 to 2010-04-18; source msha-controller-operator-history
- **operator_operates_mine:** Panther Mining LLC → Mine #3; 2001-04-01 to 2004-02-19; source msha-controller-operator-history
- **controller_controls_operator:** Cumberland Resources Corporation → Panther Mining LLC; 2001-04-01 to 2004-02-19; source msha-controller-operator-history
- **controller_controls_mine:** Randall  Fleming → Mine #3; 2002-11-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** H & D Mining Inc → Mine #3; 2004-02-20 to 2007-05-17; source msha-controller-operator-history
- **controller_controls_operator:** Randall  Fleming → H & D Mining Inc; 2004-02-20 to 2007-05-17; source msha-controller-operator-history
- **operator_operates_mine:** Panther Mining LLC → Mine #3; 2007-05-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cumberland Resources Corporation → Panther Mining LLC; 2007-05-18 to 2010-04-18; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Mine #3; 2010-04-19 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Panther Mining LLC; 2010-04-19 to 2004-02-19; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Panther Mining LLC; 2010-04-19 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Mine #3; 2011-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Panther Mining LLC; 2011-06-01 to 2004-02-19; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Panther Mining LLC; 2011-06-01 to current/open; source msha-controller-operator-history