# Relationship history for MSHA mine 3304384

Current hierarchy: **Carl W  Hains → Newark Materials LLC → Newark 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Don & Denise Martin Trucking Inc → Newark Plant; 1996-09-01 to 1999-09-29; source msha-controller-operator-history
- **controller_controls_mine:** Denise  Martin → Newark Plant; 1996-09-01 to 1999-09-29; source msha-controller-operator-history
- **controller_controls_operator:** Denise  Martin → Don & Denise Martin Trucking Inc; 1996-09-01 to 1999-09-29; source msha-controller-operator-history
- **operator_operates_mine:** Redskin Transport Llc → Newark Plant; 1999-09-30 to 2000-07-23; source msha-controller-operator-history
- **controller_controls_mine:** Rock  Van Wey  et al → Newark Plant; 1999-09-30 to 2000-07-23; source msha-controller-operator-history
- **controller_controls_operator:** Rock  Van Wey  et al → Redskin Transport Llc; 1999-09-30 to 2000-07-23; source msha-controller-operator-history
- **operator_operates_mine:** Redskin Transport Llc → Newark Plant; 2000-07-24 to 2011-02-14; source msha-controller-operator-history
- **controller_controls_mine:** CRH PLC → Newark Plant; 2000-07-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → Redskin Transport Llc; 2000-07-24 to 2011-02-14; source msha-controller-operator-history
- **operator_operates_mine:** Newark Materials LLC → Newark Plant; 2011-02-15 to 2013-07-28; source msha-controller-operator-history
- **controller_controls_mine:** Barbara S  Mock → Newark Plant; 2011-02-15 to 2013-07-28; source msha-controller-operator-history
- **controller_controls_operator:** Barbara S  Mock → Newark Materials LLC; 2011-02-15 to 2013-07-28; source msha-controller-operator-history
- **operator_operates_mine:** Newark Materials LLC → Newark Plant; 2013-07-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Carl W  Hains → Newark Plant; 2013-07-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carl W  Hains → Newark Materials LLC; 2013-07-29 to current/open; source msha-controller-operator-history