# Relationship history for MSHA mine 4608977

Current hierarchy: **Eagle Summit Resources LLC → Sundial Mining LLC → Edwight Surface Mine**

- 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:** Massey Energy Company → Edwight Surface Mine; 1991-12-01 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Edwight Surface Mine; 1997-06-01 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Edwight Surface Mine; 1997-10-20 to 2011-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Progress Coal → Edwight Surface Mine; 2002-11-08 to 2003-10-14; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Progress Coal; 2002-11-08 to 2003-10-14; source msha-controller-operator-history
- **operator_operates_mine:** Independence Coal Co Inc. → Edwight Surface Mine; 2003-10-15 to 2006-08-10; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Independence Coal Co Inc.; 2003-10-15 to 2006-08-10; source msha-controller-operator-history
- **operator_operates_mine:** Alex Energy LLC → Edwight Surface Mine; 2006-08-11 to 2022-01-04; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Alex Energy LLC; 2006-08-11 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Edwight Surface Mine; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Independence Coal Co Inc.; 2011-06-01 to 2006-08-10; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Alex Energy LLC; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Edwight Surface Mine; 2011-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Progress Coal; 2011-06-01 to 2003-10-14; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Edwight Surface Mine; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Alex Energy LLC; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Edwight Surface Mine; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Independence Coal Co Inc.; 2016-07-26 to 2006-08-10; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → Edwight Surface Mine; 2018-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Alex Energy LLC; 2018-11-09 to 2022-01-04; source msha-controller-operator-history
- **operator_operates_mine:** Sundial Mining LLC → Edwight Surface Mine; 2022-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mike  Jamison et al → Edwight Surface Mine; 2022-01-05 to 2022-06-05; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Jamison et al → Sundial Mining LLC; 2022-01-05 to 2022-06-05; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula et al → Sundial Mining LLC; 2022-01-05 to 2022-06-05; source msha-controller-operator-history
- **controller_controls_operator:** John  McNab et al → Sundial Mining LLC; 2022-01-05 to 2022-06-05; source msha-controller-operator-history
- **controller_controls_mine:** Petri E Koivula et al → Edwight Surface Mine; 2022-06-06 to 2026-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula et al → Sundial Mining LLC; 2022-06-06 to 2026-08-11; source msha-controller-operator-history
- **controller_controls_operator:** David Michael  Jamison et al → Sundial Mining LLC; 2022-06-06 to 2026-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Eagle Summit Resources LLC → Edwight Surface Mine; 2026-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eagle Summit Resources LLC → Sundial Mining LLC; 2026-08-12 to current/open; source msha-controller-operator-history