# Relationship history for MSHA mine 4606414

Current hierarchy: **Arch Resources Inc → Juliana Mining Company Inc → Preparation Plant #2 & #3**

- 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:** Anker Group Inc → Preparation Plant #2 & #3; 1978-09-01 to 2006-01-19; source msha-controller-operator-history
- **controller_controls_mine:** Sunoco, Inc. → Preparation Plant #2 & #3; 1979-09-27 to 1992-02-27; source msha-controller-operator-history
- **operator_operates_mine:** Oneida Coal Company Inc → Preparation Plant #2 & #3; 1981-09-01 to 1992-02-27; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Oneida Coal Company Inc; 1981-09-01 to 1992-02-27; source msha-controller-operator-history
- **operator_operates_mine:** Oneida Coal Company Inc → Preparation Plant #2 & #3; 1992-02-28 to 1995-05-03; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → Preparation Plant #2 & #3; 1992-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Oneida Coal Company Inc; 1992-02-28 to 1995-05-03; source msha-controller-operator-history
- **operator_operates_mine:** Juliana Mining Company Inc → Preparation Plant #2 & #3; 1995-05-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anker Group Inc → Juliana Mining Company Inc; 1995-05-04 to 2006-01-19; source msha-controller-operator-history
- **controller_controls_mine:** International Coal Group Inc (ICG) → Preparation Plant #2 & #3; 2006-01-20 to 2011-06-14; source msha-controller-operator-history
- **controller_controls_operator:** International Coal Group Inc (ICG) → Juliana Mining Company Inc; 2006-01-20 to 2011-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → Preparation Plant #2 & #3; 2011-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → Juliana Mining Company Inc; 2011-06-15 to current/open; source msha-controller-operator-history