# Relationship history for MSHA mine 1507944

Current hierarchy: **Alpha Natural Resources Holdings, Inc → Rawl Sales & Processing Company → Allburn Tipple**

- 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:** Allburn Coal Company Inc → Allburn Tipple; 1975-01-09 to 1985-08-25; source msha-controller-operator-history
- **controller_controls_mine:** Sidney R  Young III → Allburn Tipple; 1975-01-09 to 1985-08-25; source msha-controller-operator-history
- **controller_controls_operator:** Sidney R  Young III → Allburn Coal Company Inc; 1975-01-09 to 1985-08-25; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Allburn Tipple; 1976-06-17 to 2011-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Mate Creek Trucking → Allburn Tipple; 1985-08-26 to 1993-01-21; source msha-controller-operator-history
- **controller_controls_mine:** Joby  Fields → Allburn Tipple; 1985-08-26 to 1993-01-21; source msha-controller-operator-history
- **controller_controls_operator:** Joby  Fields → Mate Creek Trucking; 1985-08-26 to 1993-01-21; source msha-controller-operator-history
- **operator_operates_mine:** Left Fork Fuels Inc → Allburn Tipple; 1993-01-22 to 1993-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Timothy L  McCoy → Allburn Tipple; 1993-01-22 to 1993-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Timothy L  McCoy → Left Fork Fuels Inc; 1993-01-22 to 1993-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Rawl Sales & Processing Company → Allburn Tipple; 1993-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Rawl Sales & Processing Company; 1993-11-01 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Allburn Tipple; 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 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Allburn Tipple; 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 current/open; source msha-controller-operator-history