# Relationship history for MSHA mine 4405444

Current hierarchy: **Metinvest B V → The Black Diamond Company → Pearly Br**

- 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:** United  Company → Pearly Br; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tommy Joe  Owens → Pearly Br; 1979-06-01 to 1981-07-14; source msha-controller-operator-history
- **operator_operates_mine:** M & T Coal Company Inc → Pearly Br; 1980-06-01 to 1981-04-12; source msha-controller-operator-history
- **controller_controls_operator:** Tommy Joe  Owens → M & T Coal Company Inc; 1980-06-01 to 1981-04-12; source msha-controller-operator-history
- **operator_operates_mine:** Phoenix Colleries Inc → Pearly Br; 1981-04-13 to 1982-03-21; source msha-controller-operator-history
- **controller_controls_mine:** Matney Roger → Pearly Br; 1981-04-13 to 1982-03-21; source msha-controller-operator-history
- **controller_controls_operator:** Matney Roger → Phoenix Colleries Inc; 1981-04-13 to 1982-03-21; source msha-controller-operator-history
- **operator_operates_mine:** Wellmore Coal Corp → Pearly Br; 1982-03-22 to 1994-03-21; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Wellmore Coal Corp; 1982-03-22 to 1994-03-21; source msha-controller-operator-history
- **controller_controls_mine:** Southern Mining Co → Pearly Br; 1985-11-27 to 2006-01-01; source msha-controller-operator-history
- **controller_controls_mine:** Fred D  Matney  et al → Pearly Br; 1991-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gary A  Horn → Pearly Br; 1992-02-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** H O M Coal Company Inc → Pearly Br; 1994-03-22 to 1998-09-13; source msha-controller-operator-history
- **controller_controls_mine:** James Wayne  Estep → Pearly Br; 1994-03-22 to 1998-09-13; source msha-controller-operator-history
- **controller_controls_operator:** James Wayne  Estep → H O M Coal Company Inc; 1994-03-22 to 1998-09-13; source msha-controller-operator-history
- **operator_operates_mine:** Raintree Coal Company → Pearly Br; 1998-09-14 to 1999-12-26; source msha-controller-operator-history
- **controller_controls_operator:** Gary A  Horn → Raintree Coal Company; 1998-09-14 to 1999-12-26; source msha-controller-operator-history
- **operator_operates_mine:** Nufac Mining Inc → Pearly Br; 1999-12-27 to 2007-02-25; source msha-controller-operator-history
- **controller_controls_operator:** Fred D  Matney  et al → Nufac Mining Inc; 1999-12-27 to 2007-02-25; source msha-controller-operator-history
- **controller_controls_operator:** Hank K  Matney  et al → Nufac Mining Inc; 1999-12-27 to 2007-02-25; source msha-controller-operator-history
- **controller_controls_operator:** Rick A  Matney  et al → Nufac Mining Inc; 1999-12-27 to 2007-02-25; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → Pearly Br; 2006-01-02 to 2009-04-29; source msha-controller-operator-history
- **operator_operates_mine:** The Black Diamond Company → Pearly Br; 2007-02-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → The Black Diamond Company; 2007-02-26 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_operator:** Southern Mining Co → The Black Diamond Company; 2007-02-26 to 2006-01-01; source msha-controller-operator-history
- **controller_controls_mine:** Metinvest B V → Pearly Br; 2009-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → The Black Diamond Company; 2009-04-30 to current/open; source msha-controller-operator-history