# Relationship history for MSHA mine 4609605

Current hierarchy: **Alpha Metallurgical Resources Inc → Marfork Coal Company, LLC → Titan 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 → Titan Mine; 1993-04-01 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Rag Aktiengesellschaft → Titan Mine; 1997-09-27 to 2004-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Foundation Coal Corporation → Titan Mine; 2004-07-30 to 2009-07-30; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Titan Mine; 2009-07-31 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Titan Mine; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Titan Mine; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → Titan Mine; 2018-11-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kingston Mining, Inc. → Titan Mine; 2021-04-05 to 2021-07-12; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Kingston Mining, Inc.; 2021-04-05 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Foundation Coal Corporation → Kingston Mining, Inc.; 2021-04-05 to 2009-07-30; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Kingston Mining, Inc.; 2021-04-05 to 2021-07-12; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Kingston Mining, Inc.; 2021-04-05 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Rag Aktiengesellschaft → Kingston Mining, Inc.; 2021-04-05 to 2004-07-29; source msha-controller-operator-history
- **operator_operates_mine:** Marfork Coal Company, LLC → Titan Mine; 2021-07-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Marfork Coal Company, LLC; 2021-07-13 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Marfork Coal Company, LLC; 2021-07-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Marfork Coal Company, LLC; 2021-07-13 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Marfork Coal Company, LLC; 2021-07-13 to 2011-05-31; source msha-controller-operator-history