# Relationship history for MSHA mine 1518176

Current hierarchy: **James  Cox → Goodin Creek Mining Company, Inc. → Mine # 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:** Stephen C  Skidmore → Mine # 1; 1993-02-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jackie  Hembree → Mine # 1; 1997-02-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Canfield Energy Inc → Mine # 1; 1999-07-01 to 2000-03-06; source msha-controller-operator-history
- **controller_controls_operator:** Stephen C  Skidmore → Canfield Energy Inc; 1999-07-01 to 2000-03-06; source msha-controller-operator-history
- **operator_operates_mine:** Headache Coal Company Inc → Mine # 1; 2000-03-07 to 2003-11-24; source msha-controller-operator-history
- **controller_controls_operator:** Jackie  Hembree → Headache Coal Company Inc; 2000-03-07 to 2003-11-24; source msha-controller-operator-history
- **controller_controls_mine:** Carbon Partners A S → Mine # 1; 2003-07-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Blue Gem Mining Company, Inc. → Mine # 1; 2003-11-25 to 2004-03-04; source msha-controller-operator-history
- **controller_controls_operator:** Carbon Partners A S → Blue Gem Mining Company, Inc.; 2003-11-25 to 2004-03-04; source msha-controller-operator-history
- **operator_operates_mine:** Goodin Creek Mining Company, Inc. → Mine # 1; 2004-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Timothy L  Webb → Mine # 1; 2004-03-05 to 2006-01-25; source msha-controller-operator-history
- **controller_controls_operator:** Timothy L  Webb → Goodin Creek Mining Company, Inc.; 2004-03-05 to 2006-01-25; source msha-controller-operator-history
- **controller_controls_mine:** James  Cox et al → Mine # 1; 2006-01-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Cox et al → Goodin Creek Mining Company, Inc.; 2006-01-26 to current/open; source msha-controller-operator-history