# Relationship history for MSHA mine 4607929

Current hierarchy: **Alpha Natural Resources Holdings, Inc → Green Valley Coal Company → Mine No 1**

- 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:** Mc Clung S Gene → Mine No 1; 1983-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lady H Corporation → Mine No 1; 1990-01-19 to 1992-07-12; source msha-controller-operator-history
- **operator_operates_mine:** Lady H Coal Company Inc → Mine No 1; 1990-08-01 to 1991-12-08; source msha-controller-operator-history
- **controller_controls_operator:** Lady H Corporation → Lady H Coal Company Inc; 1990-08-01 to 1991-12-08; source msha-controller-operator-history
- **operator_operates_mine:** Industrial Energy Inc → Mine No 1; 1991-12-09 to 1992-07-13; source msha-controller-operator-history
- **controller_controls_operator:** Mc Clung S Gene → Industrial Energy Inc; 1991-12-09 to 1992-07-13; source msha-controller-operator-history
- **controller_controls_mine:** Consolidated Sewell Inc → Mine No 1; 1992-07-13 to 1996-05-19; source msha-controller-operator-history
- **controller_controls_mine:** Consolidated Sewell Inc → Mine No 1; 1992-07-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lady H Coal Company Inc → Mine No 1; 1992-07-14 to 1993-04-20; source msha-controller-operator-history
- **controller_controls_operator:** Consolidated Sewell Inc → Lady H Coal Company Inc; 1992-07-14 to 1993-04-20; source msha-controller-operator-history
- **operator_operates_mine:** Shoal Creek Coal Inc → Mine No 1; 1993-04-21 to 1995-01-02; source msha-controller-operator-history
- **controller_controls_mine:** Thomas Russell (Rick) Et Al → Mine No 1; 1993-04-21 to 1995-01-02; source msha-controller-operator-history
- **controller_controls_operator:** Thomas Russell (Rick) Et Al → Shoal Creek Coal Inc; 1993-04-21 to 1995-01-02; source msha-controller-operator-history
- **controller_controls_mine:** Garretson Roy → Mine No 1; 1994-11-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eastwood Construction Inc → Mine No 1; 1995-01-03 to 1995-01-29; source msha-controller-operator-history
- **controller_controls_operator:** Consolidated Sewell Inc → Eastwood Construction Inc; 1995-01-03 to 1995-01-29; source msha-controller-operator-history
- **operator_operates_mine:** K & C Energy Inc → Mine No 1; 1995-01-30 to 1995-09-10; source msha-controller-operator-history
- **controller_controls_operator:** Garretson Roy → K & C Energy Inc; 1995-01-30 to 1995-09-10; source msha-controller-operator-history
- **operator_operates_mine:** Greenbrier Spring Inc → Mine No 1; 1995-09-11 to 1996-05-19; source msha-controller-operator-history
- **controller_controls_mine:** Woods Michael → Mine No 1; 1995-09-11 to 1996-05-19; source msha-controller-operator-history
- **controller_controls_operator:** Woods Michael → Greenbrier Spring Inc; 1995-09-11 to 1996-05-19; source msha-controller-operator-history
- **operator_operates_mine:** Green Valley Coal Company → Mine No 1; 1996-05-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Mine No 1; 1996-05-20 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Green Valley Coal Company; 1996-05-20 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Mine No 1; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Green Valley Coal Company; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Mine No 1; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Green Valley Coal Company; 2016-07-26 to current/open; source msha-controller-operator-history