# Relationship history for MSHA mine 1511605

Current hierarchy: **Alpha Metallurgical Resources Inc → Road Fork Development Co., Inc. → Bravo 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 → Bravo Mine; 1976-06-17 to 2011-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Dotco Energy Company Inc → Bravo Mine; 1978-07-01 to 1997-01-30; source msha-controller-operator-history
- **controller_controls_mine:** Dotson Claude H → Bravo Mine; 1978-07-01 to 1997-01-30; source msha-controller-operator-history
- **controller_controls_operator:** Dotson Claude H → Dotco Energy Company Inc; 1978-07-01 to 1997-01-30; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Bravo Mine; 1993-01-01 to 2011-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Rawl Sales & Processing Company → Bravo Mine; 1997-01-31 to 2001-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Rawl Sales & Processing Company; 1997-01-31 to 2001-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth L  Farley et al → Bravo Mine; 1999-11-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Team Management, Inc. → Bravo Mine; 2001-11-09 to 2004-02-22; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth L  Farley et al → Team Management, Inc.; 2001-11-09 to 2004-02-22; source msha-controller-operator-history
- **operator_operates_mine:** Road Fork Development Company, Inc. → Bravo Mine; 2004-02-23 to 2004-08-26; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Road Fork Development Company, Inc.; 2004-02-23 to 2004-08-26; source msha-controller-operator-history
- **operator_operates_mine:** Team Management, Inc. → Bravo Mine; 2004-08-27 to 2005-06-15; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth L  Farley et al → Team Management, Inc.; 2004-08-27 to 2005-06-15; source msha-controller-operator-history
- **operator_operates_mine:** Road Fork Development Co., Inc. → Bravo Mine; 2005-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Road Fork Development Co., Inc.; 2005-06-16 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Bravo 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 2001-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Road Fork Development Company, Inc.; 2011-06-01 to 2004-08-26; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Road Fork Development Co., Inc.; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Bravo Mine; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Road Fork Development Company, Inc.; 2016-07-26 to 2004-08-26; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Road Fork Development Co., Inc.; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Bravo 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 2001-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → Bravo Mine; 2018-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Road Fork Development Company, Inc.; 2018-11-09 to 2004-08-26; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Road Fork Development Co., Inc.; 2018-11-09 to current/open; source msha-controller-operator-history