# Relationship history for MSHA mine 0200758

Current hierarchy: **The Michael & Ashia Stone Revocable Trust; The Robert & Denise Swartzman → S&S Concrete & Materials, LLC → Silver Creek**

- 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:** Peter Kiewit Sons' Inc → Silver Creek; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Taggart Construction Company → Silver Creek; 1950-01-01 to 1980-02-29; source msha-controller-operator-history
- **operator_operates_mine:** Wmk Transit Mix → Silver Creek; 1978-03-09 to 1980-02-29; source msha-controller-operator-history
- **controller_controls_operator:** Taggart Construction Company → Wmk Transit Mix; 1978-03-09 to 1980-02-29; source msha-controller-operator-history
- **operator_operates_mine:** Arc Materials Corp D/B/A Wmk Transit Mix → Silver Creek; 1980-03-01 to 1989-08-09; source msha-controller-operator-history
- **controller_controls_mine:** Consolidated Gold Fields Limited → Silver Creek; 1980-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Consolidated Gold Fields Limited → Arc Materials Corp D/B/A Wmk Transit Mix; 1980-03-01 to 1989-08-09; source msha-controller-operator-history
- **operator_operates_mine:** Wmk Transit Mix → Silver Creek; 1989-08-10 to 1990-02-01; source msha-controller-operator-history
- **controller_controls_mine:** Hanson PLC → Silver Creek; 1989-08-10 to 1990-02-01; source msha-controller-operator-history
- **controller_controls_operator:** Hanson PLC → Wmk Transit Mix; 1989-08-10 to 1990-02-01; source msha-controller-operator-history
- **operator_operates_mine:** Wmk Materials → Silver Creek; 1990-02-02 to 1998-12-31; source msha-controller-operator-history
- **controller_controls_mine:** CSR Ltd → Silver Creek; 1990-02-02 to 1998-12-31; source msha-controller-operator-history
- **controller_controls_operator:** CSR Ltd → Wmk Materials; 1990-02-02 to 1998-12-31; source msha-controller-operator-history
- **operator_operates_mine:** United Metro Materials Inc → Silver Creek; 1999-01-01 to 2002-09-25; source msha-controller-operator-history
- **controller_controls_operator:** Peter Kiewit Sons' Inc → United Metro Materials Inc; 1999-01-01 to 2002-09-25; source msha-controller-operator-history
- **operator_operates_mine:** Rinker Materials Western Inc. → Silver Creek; 2002-09-26 to 2004-07-31; source msha-controller-operator-history
- **controller_controls_mine:** CSR Ltd → Silver Creek; 2002-09-26 to 2003-03-31; source msha-controller-operator-history
- **controller_controls_operator:** CSR Ltd → Rinker Materials Western Inc.; 2002-09-26 to 2003-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Rinker Group Ltd → Silver Creek; 2003-04-01 to 2007-07-09; source msha-controller-operator-history
- **controller_controls_operator:** Rinker Group Ltd → Rinker Materials Western Inc.; 2003-04-01 to 2004-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Stone et al → Silver Creek; 2004-07-14 to 2022-07-13; source msha-controller-operator-history
- **operator_operates_mine:** Cemex → Silver Creek; 2004-08-01 to 2008-12-17; source msha-controller-operator-history
- **controller_controls_mine:** Rinker Group Ltd → Silver Creek; 2004-08-01 to 2007-07-09; source msha-controller-operator-history
- **controller_controls_operator:** Rinker Group Ltd → Cemex; 2004-08-01 to 2007-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → Silver Creek; 2007-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → Rinker Materials Western Inc.; 2007-07-10 to 2004-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → Cemex; 2007-07-10 to 2008-12-17; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → Silver Creek; 2008-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cemex Construction Materials South LLC → Silver Creek; 2008-12-18 to 2025-03-20; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → Cemex Construction Materials South LLC; 2008-12-18 to 2025-03-20; source msha-controller-operator-history
- **controller_controls_mine:** The Robert & Denise Swartzman Family Trust et al → Silver Creek; 2022-07-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S&S Concrete & Materials, LLC → Silver Creek; 2025-03-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Stone et al → S&S Concrete & Materials, LLC; 2025-03-21 to 2022-07-13; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Swartzman et al → S&S Concrete & Materials, LLC; 2025-03-21 to 2022-07-13; source msha-controller-operator-history
- **controller_controls_operator:** The Robert & Denise Swartzman Family Trust et al → S&S Concrete & Materials, LLC; 2025-03-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** The Michael & Ashia Stone Revocable Trust et al → S&S Concrete & Materials, LLC; 2025-03-21 to current/open; source msha-controller-operator-history