# Relationship history for MSHA mine 3300134

Current hierarchy: **Olen Corporation → Area Aggregates LLC → Woodville 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:** Ohio Lime Company → Woodville Plant; 1950-01-01 to 1979-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Dicalite Management Group LLC → Woodville Plant; 1950-01-01 to 1979-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Dicalite Management Group LLC → Ohio Lime Company; 1950-01-01 to 1979-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Steetley Quarry Products U S Inc → Woodville Plant; 1979-04-01 to 1992-02-29; source msha-controller-operator-history
- **controller_controls_mine:** Steetley PLC → Woodville Plant; 1979-04-01 to 1992-02-29; source msha-controller-operator-history
- **controller_controls_operator:** Steetley PLC → Steetley Quarry Products U S Inc; 1979-04-01 to 1992-02-29; source msha-controller-operator-history
- **operator_operates_mine:** Redland Quarries Us Inc → Woodville Plant; 1992-03-01 to 1998-02-10; source msha-controller-operator-history
- **controller_controls_mine:** Redland Plc → Woodville Plant; 1992-03-01 to 1998-02-10; source msha-controller-operator-history
- **controller_controls_operator:** Redland Plc → Redland Quarries Us Inc; 1992-03-01 to 1998-02-10; source msha-controller-operator-history
- **controller_controls_mine:** Carmeuse Holding SA → Woodville Plant; 1997-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lafarge Lime Ohio Inc → Woodville Plant; 1998-02-11 to 2000-03-29; source msha-controller-operator-history
- **controller_controls_mine:** Lafarge S A → Woodville Plant; 1998-02-11 to 2000-03-29; source msha-controller-operator-history
- **controller_controls_operator:** Lafarge S A → Lafarge Lime Ohio Inc; 1998-02-11 to 2000-03-29; source msha-controller-operator-history
- **operator_operates_mine:** Millersville Lime Inc → Woodville Plant; 2000-03-30 to 2001-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Carmeuse Holding SA → Woodville Plant; 2000-03-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carmeuse Holding SA → Millersville Lime Inc; 2000-03-30 to 2001-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Lafarge SA → Millersville Lime Inc; 2000-03-30 to 2001-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Carmeuse Lime Inc → Woodville Plant; 2002-01-01 to 2007-03-14; source msha-controller-operator-history
- **controller_controls_operator:** Carmeuse Holding SA → Carmeuse Lime Inc; 2002-01-01 to 2007-03-14; source msha-controller-operator-history
- **operator_operates_mine:** Woodville Enterprise, LLC. → Woodville Plant; 2007-03-15 to 2008-09-22; source msha-controller-operator-history
- **controller_controls_mine:** Thomas  Bischoff et al → Woodville Plant; 2007-03-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas  Bischoff et al → Woodville Enterprise, LLC.; 2007-03-15 to 2008-09-22; source msha-controller-operator-history
- **operator_operates_mine:** Area Aggregates LLC → Woodville Plant; 2008-09-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Olen Corporation → Woodville Plant; 2008-09-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Olen Corporation → Area Aggregates LLC; 2008-09-23 to current/open; source msha-controller-operator-history
