# Relationship history for MSHA mine 4400195

Current hierarchy: **Brickworks Limited → Glen-Gery Corporation → Glen-Gery Lawrenceville 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Brick & Tile Corp Of Lawrenceville → Glen-Gery Lawrenceville Plant; 1950-01-01 to 1996-02-20; source msha-controller-operator-history
- **controller_controls_mine:** Marvin  Thomas Jr. → Glen-Gery Lawrenceville Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marvin  Thomas Jr. → Brick & Tile Corp Of Lawrenceville; 1950-01-01 to 1996-02-20; source msha-controller-operator-history
- **operator_operates_mine:** Fort Hill Construction Inc → Glen-Gery Lawrenceville Plant; 1996-02-21 to 1997-06-10; source msha-controller-operator-history
- **controller_controls_mine:** Ray  Edmonds → Glen-Gery Lawrenceville Plant; 1996-02-21 to 1997-06-10; source msha-controller-operator-history
- **controller_controls_operator:** Ray  Edmonds → Fort Hill Construction Inc; 1996-02-21 to 1997-06-10; source msha-controller-operator-history
- **controller_controls_mine:** William H  Belden → Glen-Gery Lawrenceville Plant; 1996-10-01 to 2015-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Lawrenceville Brick Inc → Glen-Gery Lawrenceville Plant; 1997-06-11 to 2011-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Marvin  Thomas Jr. → Lawrenceville Brick Inc; 1997-06-11 to 2011-07-14; source msha-controller-operator-history
- **controller_controls_mine:** CRH PLC → Glen-Gery Lawrenceville Plant; 1999-05-17 to 2015-02-25; source msha-controller-operator-history
- **operator_operates_mine:** Redland Brick Inc → Glen-Gery Lawrenceville Plant; 2011-07-15 to 2020-02-09; source msha-controller-operator-history
- **controller_controls_operator:** William H  Belden → Redland Brick Inc; 2011-07-15 to 2015-12-31; source msha-controller-operator-history
- **controller_controls_mine:** FIGGS BIDCO 2 LIMITED → Glen-Gery Lawrenceville Plant; 2015-02-26 to 2018-11-22; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Belden → Glen-Gery Lawrenceville Plant; 2016-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Belden → Redland Brick Inc; 2016-01-01 to 2020-02-09; source msha-controller-operator-history
- **controller_controls_mine:** Brickworks Limited → Glen-Gery Lawrenceville Plant; 2018-11-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Brickworks Eddie Acquisition Company → Glen-Gery Lawrenceville Plant; 2020-02-10 to 2023-03-19; source msha-controller-operator-history
- **controller_controls_mine:** Brickworks Limited → Glen-Gery Lawrenceville Plant; 2020-02-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brickworks Limited → Brickworks Eddie Acquisition Company; 2020-02-10 to 2023-03-19; source msha-controller-operator-history
- **operator_operates_mine:** Glen-Gery Corporation → Glen-Gery Lawrenceville Plant; 2023-03-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** FIGGS BIDCO 2 LIMITED → Glen-Gery Corporation; 2023-03-20 to 2018-11-22; source msha-controller-operator-history
- **controller_controls_operator:** Brickworks Limited → Glen-Gery Corporation; 2023-03-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → Glen-Gery Corporation; 2023-03-20 to 2015-02-25; source msha-controller-operator-history