# Relationship history for MSHA mine 3601725

Current hierarchy: **PT BUMA Internasional Grup Tbk → Coal Contractors (1991) Inc → Gowen Stripping**

- 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:** Louis J  Beltrami → Gowen Stripping; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Yamulla Trucking & Excavating Company → Gowen Stripping; 1950-01-01 to 1981-11-19; source msha-controller-operator-history
- **controller_controls_mine:** David M  Yamulla → Gowen Stripping; 1950-01-01 to 1994-05-09; source msha-controller-operator-history
- **controller_controls_operator:** David M  Yamulla → Yamulla Trucking & Excavating Company; 1950-01-01 to 1981-11-19; source msha-controller-operator-history
- **operator_operates_mine:** Beltrami Enterprises Inc → Gowen Stripping; 1981-11-20 to 1982-08-24; source msha-controller-operator-history
- **controller_controls_operator:** Louis J  Beltrami → Beltrami Enterprises Inc; 1981-11-20 to 1982-08-24; source msha-controller-operator-history
- **operator_operates_mine:** Coal Contractors Inc → Gowen Stripping; 1982-08-25 to 1995-07-11; source msha-controller-operator-history
- **controller_controls_mine:** Anglo United PLC → Gowen Stripping; 1982-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anglo United PLC → Coal Contractors Inc; 1982-08-25 to 1995-07-11; source msha-controller-operator-history
- **controller_controls_mine:** Bell Denis Inc → Gowen Stripping; 1992-10-26 to 2003-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Coal Contractors (1991) Inc → Gowen Stripping; 1995-07-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bell Denis Inc → Coal Contractors (1991) Inc; 1995-07-12 to 2003-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Pen Carb Incorporated → Gowen Stripping; 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 2007-11-12; source msha-controller-operator-history
- **controller_controls_mine:** Atlantic Carbon Group PLC → Gowen Stripping; 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 2020-07-16; source msha-controller-operator-history
- **controller_controls_mine:** ACG Holdco LLC → Gowen Stripping; 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 2024-06-25; source msha-controller-operator-history
- **controller_controls_mine:** PT BUMA Internasional Grup Tbk → Gowen Stripping; 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 current/open; source msha-controller-operator-history