# Relationship history for MSHA mine 3607630

Current hierarchy: **Robert L  Bowers → Olde Buck Run Coal Company Inc → Olde Buck 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

- **operator_operates_mine:** Randy Coal Company → Olde Buck Mine; 1984-10-01 to 1998-01-29; source msha-controller-operator-history
- **controller_controls_mine:** Borrell Randall R → Olde Buck Mine; 1984-10-01 to 1998-01-29; source msha-controller-operator-history
- **controller_controls_operator:** Borrell Randall R → Randy Coal Company; 1984-10-01 to 1998-01-29; source msha-controller-operator-history
- **controller_controls_mine:** Bell Denis Inc → Olde Buck Mine; 1992-10-26 to 2003-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Coal Contractors (1991) Inc → Olde Buck Mine; 1998-01-30 to 2002-04-01; source msha-controller-operator-history
- **controller_controls_operator:** Bell Denis Inc → Coal Contractors (1991) Inc; 1998-01-30 to 2002-04-01; source msha-controller-operator-history
- **operator_operates_mine:** Mine Hill Coal Co. #7, Inc. → Olde Buck Mine; 2002-04-02 to 2010-10-20; source msha-controller-operator-history
- **controller_controls_mine:** Joseph M  Nebroskie → Olde Buck Mine; 2002-04-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph M  Nebroskie → Mine Hill Coal Co. #7, Inc.; 2002-04-02 to 2010-10-20; source msha-controller-operator-history
- **controller_controls_mine:** Pen Carb Incorporated → Olde Buck Mine; 2003-05-01 to 2007-11-12; source msha-controller-operator-history
- **controller_controls_operator:** Pen Carb Incorporated → Coal Contractors (1991) Inc; 2003-05-01 to 2002-04-01; source msha-controller-operator-history
- **controller_controls_mine:** Atlantic Carbon Group PLC → Olde Buck Mine; 2007-11-13 to 2020-07-16; source msha-controller-operator-history
- **controller_controls_operator:** Atlantic Carbon Group PLC → Coal Contractors (1991) Inc; 2007-11-13 to 2002-04-01; source msha-controller-operator-history
- **operator_operates_mine:** Olde Buck Run Coal Company Inc → Olde Buck Mine; 2010-10-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert L  Bowers → Olde Buck Mine; 2010-10-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert L  Bowers → Olde Buck Run Coal Company Inc; 2010-10-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** ACG Holdco LLC → Olde Buck Mine; 2020-07-17 to 2024-06-25; source msha-controller-operator-history
- **controller_controls_operator:** ACG Holdco LLC → Coal Contractors (1991) Inc; 2020-07-17 to 2002-04-01; source msha-controller-operator-history
- **controller_controls_mine:** PT BUMA Internasional Grup Tbk → Olde Buck Mine; 2024-06-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** PT BUMA Internasional Grup Tbk → Coal Contractors (1991) Inc; 2024-06-26 to 2002-04-01; source msha-controller-operator-history