# Relationship history for MSHA mine 4605317

Current hierarchy: **Petri E Koivula → Edwight Processing, LLC → Goals Preparation Plant**

- 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:** Armco Inc → Goals Preparation Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hanson PLC → Goals Preparation Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Armco Inc → Goals Preparation Plant; 1976-10-07 to 1984-02-26; source msha-controller-operator-history
- **controller_controls_operator:** Armco Inc → Armco Inc; 1976-10-07 to 1984-02-26; source msha-controller-operator-history
- **operator_operates_mine:** Peabody Coal Company → Goals Preparation Plant; 1984-02-27 to 1994-10-14; source msha-controller-operator-history
- **controller_controls_operator:** Hanson PLC → Peabody Coal Company; 1984-02-27 to 1994-10-14; source msha-controller-operator-history
- **operator_operates_mine:** Goals Coal Company → Goals Preparation Plant; 1994-10-15 to 2022-01-04; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Goals Preparation Plant; 1994-10-15 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Goals Coal Company; 1994-10-15 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Goals Preparation Plant; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Goals Coal Company; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Goals Preparation Plant; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Goals Coal Company; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → Goals Preparation Plant; 2018-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Goals Coal Company; 2018-11-09 to 2022-01-04; source msha-controller-operator-history
- **operator_operates_mine:** Edwight Processing, LLC → Goals Preparation Plant; 2022-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Petri E Koivula et al → Goals Preparation Plant; 2022-01-05 to 2022-09-22; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula et al → Edwight Processing, LLC; 2022-01-05 to 2022-09-22; source msha-controller-operator-history
- **controller_controls_operator:** John  McNab et al → Edwight Processing, LLC; 2022-01-05 to 2022-09-22; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Jamison et al → Edwight Processing, LLC; 2022-01-05 to 2022-09-22; source msha-controller-operator-history
- **controller_controls_mine:** David Michael  Jamison et al → Goals Preparation Plant; 2022-09-23 to 2026-08-13; source msha-controller-operator-history
- **controller_controls_operator:** David Michael  Jamison et al → Edwight Processing, LLC; 2022-09-23 to 2026-08-13; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula et al → Edwight Processing, LLC; 2022-09-23 to 2026-08-13; source msha-controller-operator-history
- **controller_controls_mine:** Petri E Koivula → Goals Preparation Plant; 2026-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula → Edwight Processing, LLC; 2026-08-14 to current/open; source msha-controller-operator-history