# Relationship history for MSHA mine 1100098

Current hierarchy: **John  Tarble; Jerald  Tarble → Mid-Illinois Quarry L.L.C. → Mid-Illinois Quarry**

- 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:** Legacy Vulcan Corp (Form:Vulcan Materials Co) → Mid-Illinois Quarry; 1950-01-01 to 2007-11-15; source msha-controller-operator-history
- **operator_operates_mine:** Medusa Aggregates Company → Mid-Illinois Quarry; 1950-01-01 to 1978-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Medusa Corp → Mid-Illinois Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Medusa Corp → Medusa Aggregates Company; 1950-01-01 to 1978-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Crane Company → Mid-Illinois Quarry; 1978-12-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Medusa Aggregates Company → Mid-Illinois Quarry; 1979-01-01 to 1982-12-19; source msha-controller-operator-history
- **controller_controls_operator:** Crane Company → Medusa Aggregates Company; 1979-01-01 to 1982-12-19; source msha-controller-operator-history
- **operator_operates_mine:** Vulcan Constr. Materials, L.P. → Mid-Illinois Quarry; 1982-12-20 to 2006-02-05; source msha-controller-operator-history
- **controller_controls_operator:** Legacy Vulcan Corp (Form:Vulcan Materials Co) → Vulcan Constr. Materials, L.P.; 1982-12-20 to 2006-02-05; source msha-controller-operator-history
- **operator_operates_mine:** Mid-Illinois Quarry-Div/Mid-Illinois Concrete → Mid-Illinois Quarry; 2006-02-06 to 2012-06-10; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Heuerman et al → Mid-Illinois Quarry; 2006-02-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Heuerman et al → Mid-Illinois Quarry-Div/Mid-Illinois Concrete; 2006-02-06 to 2012-06-10; source msha-controller-operator-history
- **controller_controls_mine:** Vulcan Materials Company → Mid-Illinois Quarry; 2007-11-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vulcan Materials Company → Vulcan Constr. Materials, L.P.; 2007-11-16 to 2006-02-05; source msha-controller-operator-history
- **operator_operates_mine:** Mid-Illinois Quarry L.L.C. → Mid-Illinois Quarry; 2012-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Heuerman → Mid-Illinois Quarry; 2012-06-11 to 2019-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Heuerman → Mid-Illinois Quarry L.L.C.; 2012-06-11 to 2019-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Jerald  Tarble et al → Mid-Illinois Quarry; 2020-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerald  Tarble et al → Mid-Illinois Quarry L.L.C.; 2020-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Tarble et al → Mid-Illinois Quarry L.L.C.; 2020-01-01 to current/open; source msha-controller-operator-history