# Relationship history for MSHA mine 1518007

Current hierarchy: **Emily  Rabnott → Rockhampton Energy LLC → Rockhampton #2**

- 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:** Curtis  Hopkins → Rockhampton #2; 1996-03-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cobra Coal Company Inc → Rockhampton #2; 1997-12-01 to 1998-12-08; source msha-controller-operator-history
- **controller_controls_operator:** Curtis  Hopkins → Cobra Coal Company Inc; 1997-12-01 to 1998-12-08; source msha-controller-operator-history
- **operator_operates_mine:** Long Rifle Mining Inc → Rockhampton #2; 1998-12-09 to 1999-10-17; source msha-controller-operator-history
- **controller_controls_mine:** Randy  Johnson et al → Rockhampton #2; 1998-12-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randy  Johnson et al → Long Rifle Mining Inc; 1998-12-09 to 1999-10-17; source msha-controller-operator-history
- **operator_operates_mine:** Rebco Coal Inc → Rockhampton #2; 1999-10-18 to 2004-03-04; source msha-controller-operator-history
- **controller_controls_mine:** Roy C  Wagner → Rockhampton #2; 1999-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roy C  Wagner → Rebco Coal Inc; 1999-10-18 to 2004-03-04; source msha-controller-operator-history
- **operator_operates_mine:** Mill Creek Mining Inc → Rockhampton #2; 2004-03-05 to 2008-11-12; source msha-controller-operator-history
- **controller_controls_mine:** Curtis  Hopkins → Rockhampton #2; 2004-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Curtis  Hopkins → Mill Creek Mining Inc; 2004-03-05 to 2008-11-12; source msha-controller-operator-history
- **operator_operates_mine:** NECO Energy, Inc. → Rockhampton #2; 2008-11-13 to 2011-04-19; source msha-controller-operator-history
- **controller_controls_mine:** Jack H Ealy et al → Rockhampton #2; 2008-11-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jack H Ealy et al → NECO Energy, Inc.; 2008-11-13 to 2011-04-19; source msha-controller-operator-history
- **controller_controls_operator:** John D North et al -  JackrockLLC only8/27/99-5/3/04 → NECO Energy, Inc.; 2008-11-13 to 2011-04-19; source msha-controller-operator-history
- **controller_controls_operator:** Ralph  Napier et al → NECO Energy, Inc.; 2008-11-13 to 2011-04-19; source msha-controller-operator-history
- **operator_operates_mine:** Mill Creek Mining, Inc. → Rockhampton #2; 2011-04-20 to 2012-04-29; source msha-controller-operator-history
- **controller_controls_operator:** Curtis  Hopkins → Mill Creek Mining, Inc.; 2011-04-20 to 2012-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Emily  Rabnott → Rockhampton #2; 2011-09-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rockhampton Energy LLC → Rockhampton #2; 2012-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Emily  Rabnott → Rockhampton Energy LLC; 2012-04-30 to current/open; source msha-controller-operator-history