# Relationship history for MSHA mine 4407217

Current hierarchy: **William Ridley  Elkins Jr → CLAS COAL COMPANY INC. → MINE #9**

- 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:** Fred D  Matney  et al → MINE #9; 1981-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ricky L  Owens → MINE #9; 1982-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** William Ridley  Elkins Jr → MINE #9; 1993-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → MINE #9; 2002-12-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Coal Company Virginia LLC → MINE #9; 2008-02-27 to 2008-10-23; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Paramont Coal Company Virginia LLC; 2008-02-27 to 2008-10-23; source msha-controller-operator-history
- **operator_operates_mine:** Four O Mining Corporation → MINE #9; 2008-10-24 to 2020-08-02; source msha-controller-operator-history
- **controller_controls_operator:** Ricky L  Owens → Four O Mining Corporation; 2008-10-24 to 2020-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → MINE #9; 2016-07-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Contura LLC → MINE #9; 2020-08-03 to 2020-10-07; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Paramont Contura LLC; 2020-08-03 to 2020-10-07; source msha-controller-operator-history
- **operator_operates_mine:** Capital Coal Corp. → MINE #9; 2020-10-08 to 2026-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Fred D  Matney  et al → Capital Coal Corp.; 2020-10-08 to 2026-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Hank K  Matney  et al → Capital Coal Corp.; 2020-10-08 to 2026-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Rick A  Matney  et al → Capital Coal Corp.; 2020-10-08 to 2026-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Clas Coal Company Inc. → MINE #9; 2026-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William Ridley  Elkins Jr → Clas Coal Company Inc.; 2026-04-01 to current/open; source msha-controller-operator-history