# Relationship history for MSHA mine 3001582

Current hierarchy: **Schwab Aggregates LLC; Gernatt Asphalt Products, Inc → GS Aggregates LLC → GS Aggregates Freedom 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Spencer & Haley Inc → GS Aggregates Freedom Mine; 1950-01-01 to 1988-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Spencer James W → GS Aggregates Freedom Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Spencer James W → Spencer & Haley Inc; 1950-01-01 to 1988-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Blue Circle Industries Plc → GS Aggregates Freedom Mine; 1987-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Freedom Gravel Products Inc → GS Aggregates Freedom Mine; 1989-01-01 to 1991-08-28; source msha-controller-operator-history
- **controller_controls_mine:** J  Arcadi → GS Aggregates Freedom Mine; 1989-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J  Arcadi → Freedom Gravel Products Inc; 1989-01-01 to 1991-08-28; source msha-controller-operator-history
- **controller_controls_mine:** Needler Group → GS Aggregates Freedom Mine; 1989-12-28 to 1999-07-13; source msha-controller-operator-history
- **operator_operates_mine:** Tcg Materials (New York) Inc → GS Aggregates Freedom Mine; 1991-08-29 to 1999-07-13; source msha-controller-operator-history
- **controller_controls_operator:** Needler Group → Tcg Materials (New York) Inc; 1991-08-29 to 1999-07-13; source msha-controller-operator-history
- **controller_controls_mine:** Lafarge S A → GS Aggregates Freedom Mine; 1998-02-11 to 2015-07-09; source msha-controller-operator-history
- **operator_operates_mine:** Blue Circle Aggregates Inc → GS Aggregates Freedom Mine; 1999-07-14 to 2001-07-11; source msha-controller-operator-history
- **controller_controls_operator:** Blue Circle Industries Plc → Blue Circle Aggregates Inc; 1999-07-14 to 2001-07-11; source msha-controller-operator-history
- **operator_operates_mine:** Lafarge North America Incorporated → GS Aggregates Freedom Mine; 2001-07-12 to 2009-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Lafarge S A → GS Aggregates Freedom Mine; 2001-07-12 to 2015-07-09; source msha-controller-operator-history
- **controller_controls_operator:** Lafarge S A → Lafarge North America Incorporated; 2001-07-12 to 2009-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Lafarge S A → GS Aggregates Freedom Mine; 2009-04-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lafarge Mid Atlantic, LLC → GS Aggregates Freedom Mine; 2010-01-01 to 2010-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Lafarge S A → Lafarge Mid Atlantic, LLC; 2010-01-01 to 2010-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Lafarge North America, Inc. → GS Aggregates Freedom Mine; 2010-12-01 to 2017-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Lafarge S A → Lafarge North America, Inc.; 2010-12-01 to 2015-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Holcim Ltd → GS Aggregates Freedom Mine; 2015-07-10 to 2025-06-22; source msha-controller-operator-history
- **controller_controls_mine:** Holcim Ltd → GS Aggregates Freedom Mine; 2015-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Holcim Ltd → Lafarge North America Incorporated; 2015-07-10 to 2009-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Holcim Ltd → Lafarge North America, Inc.; 2015-07-10 to 2017-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Holcim Quarries NY, INC → GS Aggregates Freedom Mine; 2018-01-01 to 2023-07-06; source msha-controller-operator-history
- **controller_controls_operator:** Holcim Ltd → Holcim Quarries NY, INC; 2018-01-01 to 2023-07-06; source msha-controller-operator-history
- **controller_controls_operator:** Lafarge S A → Holcim Quarries NY, INC; 2018-01-01 to 2015-07-09; source msha-controller-operator-history
- **operator_operates_mine:** GS Aggregates LLC → GS Aggregates Freedom Mine; 2023-07-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gernatt Asphalt Products, Inc → GS Aggregates Freedom Mine; 2023-07-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gernatt Asphalt Products, Inc → GS Aggregates LLC; 2023-07-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Schwab Aggregates LLC → GS Aggregates LLC; 2023-07-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Amrize Ltd → GS Aggregates Freedom Mine; 2025-06-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Amrize Ltd → Holcim Quarries NY, INC; 2025-06-23 to 2023-07-06; source msha-controller-operator-history