# Relationship history for MSHA mine 4406309

Current hierarchy: **Salem Stone Corp; Cliftondale Ready Mix LLC → South River Stone LLC → Stuarts Draft**

- 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:** Boxley Materials Co → Stuarts Draft; 1950-01-01 to 2016-03-20; source msha-controller-operator-history
- **controller_controls_mine:** Robert Brett House → Stuarts Draft; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Aggregate Industries PLC → Stuarts Draft; 1950-01-01 to 2009-04-29; source msha-controller-operator-history
- **operator_operates_mine:** Stuarts Draft Sand & Gravel Company → Stuarts Draft; 1986-07-01 to 1988-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Raymond G  Eavers → Stuarts Draft; 1986-07-01 to 1988-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Raymond G  Eavers → Stuarts Draft Sand & Gravel Company; 1986-07-01 to 1988-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Blue Ridge Stone Corp → Stuarts Draft; 1988-07-01 to 2001-04-05; source msha-controller-operator-history
- **controller_controls_operator:** Boxley Materials Co → Blue Ridge Stone Corp; 1988-07-01 to 2001-04-05; source msha-controller-operator-history
- **operator_operates_mine:** West Sand & Gravel Company Inc → Stuarts Draft; 2001-04-06 to 2002-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Robert Brett House → West Sand & Gravel Company Inc; 2001-04-06 to 2002-07-14; source msha-controller-operator-history
- **operator_operates_mine:** Brett Aggregates Inc → Stuarts Draft; 2002-07-15 to 2008-06-23; source msha-controller-operator-history
- **controller_controls_mine:** Robert Brett House → Stuarts Draft; 2002-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert Brett House → Brett Aggregates Inc; 2002-07-15 to 2008-06-23; source msha-controller-operator-history
- **operator_operates_mine:** Mid-Atlantic Materials Inc → Stuarts Draft; 2008-06-24 to 2009-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Aggregate Industries PLC → Mid-Atlantic Materials Inc; 2008-06-24 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Holcim Ltd → Stuarts Draft; 2009-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Holcim Ltd → Mid-Atlantic Materials Inc; 2009-04-30 to 2009-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Cliftondale Ready Mix LLC et al → Stuarts Draft; 2009-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** South River Stone LLC → Stuarts Draft; 2009-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cliftondale Ready Mix LLC et al → South River Stone LLC; 2009-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Salem Stone Corp et al → South River Stone LLC; 2009-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Summit Materials LLC → Stuarts Draft; 2016-03-21 to 2025-02-09; source msha-controller-operator-history
- **controller_controls_operator:** Summit Materials LLC → Blue Ridge Stone Corp; 2016-03-21 to 2001-04-05; source msha-controller-operator-history
- **controller_controls_mine:** Quikrete Holdings Inc. → Stuarts Draft; 2025-02-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Quikrete Holdings Inc. → Blue Ridge Stone Corp; 2025-02-10 to 2001-04-05; source msha-controller-operator-history