# Relationship history for MSHA mine 1513720

Current hierarchy: **Alpha Natural Resources Holdings, Inc → Rawl Sales & Processing Company → Tall Timber 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 → Tall Timber Mine; 1976-06-17 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Cline John Larry → Tall Timber Mine; 1981-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tall Timber Coal Company → Tall Timber Mine; 1982-09-01 to 1985-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Sidney R  Young III → Tall Timber Mine; 1982-09-01 to 1985-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Sidney R  Young III → Tall Timber Coal Company; 1982-09-01 to 1985-08-11; source msha-controller-operator-history
- **operator_operates_mine:** Mary F Coal Company Inc → Tall Timber Mine; 1985-08-12 to 1986-01-22; source msha-controller-operator-history
- **controller_controls_operator:** Cline John Larry → Mary F Coal Company Inc; 1985-08-12 to 1986-01-22; source msha-controller-operator-history
- **operator_operates_mine:** Rawl Sales & Processing Company → Tall Timber Mine; 1986-01-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Rawl Sales & Processing Company; 1986-01-23 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Tall Timber 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 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Tall Timber 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 current/open; source msha-controller-operator-history