# Relationship history for MSHA mine 4602385

Current hierarchy: **Kennie Ray  Childers → Regency Financial Services & Associates Inc → Algoma Preparation Plant**

- 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

- **operator_operates_mine:** United Pocahontas Coal Company → Algoma Preparation Plant; 1950-01-01 to 1986-03-30; source msha-controller-operator-history
- **controller_controls_mine:** National Bulk Carriers → Algoma Preparation Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** National Bulk Carriers → United Pocahontas Coal Company; 1950-01-01 to 1986-03-30; source msha-controller-operator-history
- **controller_controls_mine:** Kennie Ray  Childers → Algoma Preparation Plant; 1983-08-01 to 1988-03-06; source msha-controller-operator-history
- **operator_operates_mine:** Angela-Ann Coal Company Inc → Algoma Preparation Plant; 1986-03-31 to 1988-03-06; source msha-controller-operator-history
- **controller_controls_operator:** Kennie Ray  Childers → Angela-Ann Coal Company Inc; 1986-03-31 to 1988-03-06; source msha-controller-operator-history
- **controller_controls_mine:** Bill  Gardner → Algoma Preparation Plant; 1988-01-25 to 1989-06-13; source msha-controller-operator-history
- **operator_operates_mine:** Dan-Dyster Corp → Algoma Preparation Plant; 1988-03-07 to 1989-06-13; source msha-controller-operator-history
- **controller_controls_operator:** Bill  Gardner → Dan-Dyster Corp; 1988-03-07 to 1989-06-13; source msha-controller-operator-history
- **operator_operates_mine:** Dan-Dyster Corp → Algoma Preparation Plant; 1989-06-14 to 1990-12-12; source msha-controller-operator-history
- **controller_controls_mine:** Timothy  Fitzwater → Algoma Preparation Plant; 1989-06-14 to 1990-12-12; source msha-controller-operator-history
- **controller_controls_operator:** Timothy  Fitzwater → Dan-Dyster Corp; 1989-06-14 to 1990-12-12; source msha-controller-operator-history
- **operator_operates_mine:** Bach'S Energy Inc → Algoma Preparation Plant; 1990-12-13 to 1991-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Breitenbach William Iii → Algoma Preparation Plant; 1990-12-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Breitenbach William Iii → Bach'S Energy Inc; 1990-12-13 to 1991-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Regency Financial Services & Associates Inc → Algoma Preparation Plant; 1991-10-01 to 1993-06-01; source msha-controller-operator-history
- **controller_controls_mine:** White Randal W → Algoma Preparation Plant; 1991-10-01 to 1993-06-01; source msha-controller-operator-history
- **controller_controls_operator:** White Randal W → Regency Financial Services & Associates Inc; 1991-10-01 to 1993-06-01; source msha-controller-operator-history
- **operator_operates_mine:** Regency Financial Services & Associates Inc → Algoma Preparation Plant; 1993-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kennie Ray  Childers → Algoma Preparation Plant; 1993-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kennie Ray  Childers → Regency Financial Services & Associates Inc; 1993-06-02 to current/open; source msha-controller-operator-history