# Relationship history for MSHA mine 1518734

Current hierarchy: **Jeffery A  Hoops → Powell Mountain Energy LLC → 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:** Progress Energy Inc → Mine #1; 2000-11-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Powell Mountain Coal Co., Inc. → Mine #1; 2004-05-17 to 2008-03-06; source msha-controller-operator-history
- **controller_controls_operator:** Progress Energy Inc → Powell Mountain Coal Co., Inc.; 2004-05-17 to 2008-03-06; source msha-controller-operator-history
- **controller_controls_mine:** Willis  Ring → Mine #1; 2004-12-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Powdul Acquisition LLC → Mine #1; 2008-03-07 to 2008-06-08; source msha-controller-operator-history
- **controller_controls_mine:** Karat Acquisition LLC → Mine #1; 2008-03-07 to 2008-05-26; source msha-controller-operator-history
- **controller_controls_operator:** Karat Acquisition LLC → Powdul Acquisition LLC; 2008-03-07 to 2008-05-26; source msha-controller-operator-history
- **controller_controls_mine:** International Coal Group Inc (ICG) → Mine #1; 2008-05-27 to 2011-06-14; source msha-controller-operator-history
- **controller_controls_operator:** International Coal Group Inc (ICG) → Powdul Acquisition LLC; 2008-05-27 to 2008-06-08; source msha-controller-operator-history
- **operator_operates_mine:** R & R Mining, Inc. → Mine #1; 2008-06-09 to 2008-10-26; source msha-controller-operator-history
- **controller_controls_operator:** Willis  Ring → R & R Mining, Inc.; 2008-06-09 to 2008-10-26; source msha-controller-operator-history
- **operator_operates_mine:** Powell Mountain Energy LLC → Mine #1; 2008-10-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** International Coal Group Inc (ICG) → Powell Mountain Energy LLC; 2008-10-27 to 2011-06-14; source msha-controller-operator-history
- **controller_controls_operator:** Karat Acquisition LLC → Powell Mountain Energy LLC; 2008-10-27 to 2008-05-26; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → Mine #1; 2011-06-15 to 2017-09-13; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → Powdul Acquisition LLC; 2011-06-15 to 2008-06-08; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → Powell Mountain Energy LLC; 2011-06-15 to 2017-09-13; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery A  Hoops → Mine #1; 2017-09-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Powdul Acquisition LLC; 2017-09-14 to 2008-06-08; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Powell Mountain Energy LLC; 2017-09-14 to current/open; source msha-controller-operator-history