# Relationship history for MSHA mine 1507082

Current hierarchy: **Alpha Natural Resources, Inc. → Freedom Energy Mining Company → 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

- **operator_operates_mine:** Leslie Coal Mining Company → Mine #1; 1974-01-01 to 1980-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Moore McCormack Resources Inc → Mine #1; 1974-01-01 to 1980-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Moore McCormack Resources Inc → Leslie Coal Mining Company; 1974-01-01 to 1980-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Leslie Coal Mining Company → Mine #1; 1981-01-01 to 1984-10-03; source msha-controller-operator-history
- **controller_controls_mine:** Carolina Power & Light Company → Mine #1; 1981-01-01 to 1984-10-09; source msha-controller-operator-history
- **controller_controls_operator:** Carolina Power & Light Company → Leslie Coal Mining Company; 1981-01-01 to 1984-10-03; source msha-controller-operator-history
- **operator_operates_mine:** Sidney Coal Company Inc → Mine #1; 1984-10-04 to 1989-03-20; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Mine #1; 1984-10-04 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Sidney Coal Company Inc; 1984-10-04 to 1989-03-20; source msha-controller-operator-history
- **operator_operates_mine:** Aero Energy Inc → Mine #1; 1989-03-21 to 1995-09-04; source msha-controller-operator-history
- **controller_controls_mine:** Rex  Fought → Mine #1; 1989-03-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rex  Fought → Aero Energy Inc; 1989-03-21 to 1995-09-04; source msha-controller-operator-history
- **operator_operates_mine:** Freedom Energy Mining Company → Mine #1; 1995-09-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Mine #1; 1995-09-05 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Freedom Energy Mining Company; 1995-09-05 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Mine #1; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Sidney Coal Company Inc; 2011-06-01 to 1989-03-20; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Mine #1; 2011-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Freedom Energy Mining Company; 2011-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Mine #1; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Sidney Coal Company Inc; 2016-07-26 to 1989-03-20; source msha-controller-operator-history