# Relationship history for MSHA mine 1101661

Current hierarchy: **Simon  Bradley → Macklin Materials of Illinois, LLC → Macklin Plant #1**

- 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:** Macklin Incorporated → Macklin Plant #1; 1950-01-01 to 2025-05-21; source msha-controller-operator-history
- **controller_controls_mine:** Robert C  Macklin → Macklin Plant #1; 1950-01-01 to 2023-12-17; source msha-controller-operator-history
- **controller_controls_operator:** Robert C  Macklin → Macklin Incorporated; 1950-01-01 to 2023-12-17; source msha-controller-operator-history
- **controller_controls_mine:** Maryann  Macklin et al → Macklin Plant #1; 2023-12-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Maryann  Macklin et al → Macklin Incorporated; 2023-12-18 to 2025-05-21; source msha-controller-operator-history
- **controller_controls_operator:** Robert C Macklin Trust  et al → Macklin Incorporated; 2023-12-18 to 2025-05-21; source msha-controller-operator-history
- **operator_operates_mine:** Macklin Materials of Illinois, LLC → Macklin Plant #1; 2025-05-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Simon  Bradley → Macklin Plant #1; 2025-05-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Simon  Bradley → Macklin Materials of Illinois, LLC; 2025-05-22 to current/open; source msha-controller-operator-history