# Relationship history for MSHA mine 1519413

Current hierarchy: **Mark A Hatcher; Marion  Hensley → SUPERIOR POCAHONTAS, LLC → Emma #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:** Clark D  Pergrem → Emma #1; 2008-10-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** A & J Contracting LLC → Emma #1; 2009-05-29 to 2010-01-28; source msha-controller-operator-history
- **controller_controls_mine:** Arthur K  Johnson → Emma #1; 2009-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arthur K  Johnson → A & J Contracting LLC; 2009-05-29 to 2010-01-28; source msha-controller-operator-history
- **operator_operates_mine:** Rooster Contracting LLC → Emma #1; 2010-01-29 to 2013-05-27; source msha-controller-operator-history
- **controller_controls_mine:** Debra L  Back et al → Emma #1; 2010-01-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Debra L  Back et al → Rooster Contracting LLC; 2010-01-29 to 2013-05-27; source msha-controller-operator-history
- **controller_controls_operator:** Daniel R  Back et al → Rooster Contracting LLC; 2010-01-29 to 2013-05-27; source msha-controller-operator-history
- **operator_operates_mine:** Coal Mining, Inc. → Emma #1; 2013-05-28 to 2022-11-22; source msha-controller-operator-history
- **controller_controls_operator:** Clark D  Pergrem → Coal Mining, Inc.; 2013-05-28 to 2022-11-22; source msha-controller-operator-history
- **operator_operates_mine:** SUPERIOR POCAHONTAS, LLC → Emma #1; 2022-11-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Marion  Hensley et al → Emma #1; 2022-11-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marion  Hensley et al → SUPERIOR POCAHONTAS, LLC; 2022-11-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark A Hatcher et al → SUPERIOR POCAHONTAS, LLC; 2022-11-23 to current/open; source msha-controller-operator-history