# Relationship history for MSHA mine 4608244

Current hierarchy: **Alpha Natural Resources Holdings, Inc → Rawl Sales & Processing Company → Sarah Ann 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Massey Energy Company → Sarah Ann Mine; 1976-06-17 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Joby  Fields → Sarah Ann Mine; 1988-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Frazier Robert B → Sarah Ann Mine; 1989-09-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Sarah Ann Mine; 1990-02-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rawl Sales & Processing Company → Sarah Ann Mine; 1992-11-01 to 1993-05-23; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Rawl Sales & Processing Company; 1992-11-01 to 1993-05-23; source msha-controller-operator-history
- **operator_operates_mine:** Kris Energy Inc → Sarah Ann Mine; 1993-05-24 to 1993-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Frazier Robert B → Kris Energy Inc; 1993-05-24 to 1993-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Sycamore Fuels Inc → Sarah Ann Mine; 1993-12-01 to 1994-06-29; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Sycamore Fuels Inc; 1993-12-01 to 1994-06-29; source msha-controller-operator-history
- **operator_operates_mine:** Preparation Maintenance Inc → Sarah Ann Mine; 1994-06-30 to 1994-12-27; source msha-controller-operator-history
- **controller_controls_operator:** Joby  Fields → Preparation Maintenance Inc; 1994-06-30 to 1994-12-27; source msha-controller-operator-history
- **operator_operates_mine:** Rawl Sales & Processing Company → Sarah Ann Mine; 1994-12-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Rawl Sales & Processing Company; 1994-12-28 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Sarah Ann Mine; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Rawl Sales & Processing Company; 2011-06-01 to 1993-05-23; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Rawl Sales & Processing Company; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Sarah Ann Mine; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Rawl Sales & Processing Company; 2016-07-26 to 1993-05-23; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Rawl Sales & Processing Company; 2016-07-26 to current/open; source msha-controller-operator-history