# Relationship history for MSHA mine 1103061

Current hierarchy: **Robert C Macklin Trust; Maryann  Macklin → Macklin Incorporated → Macklin Plant #5**

- 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

- **controller_controls_mine:** Robert C  Macklin → Macklin Plant #5; 1950-01-01 to 2023-12-17; source msha-controller-operator-history
- **operator_operates_mine:** Macklin Incorporated → Macklin Plant #5; 2000-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert C  Macklin → Macklin Incorporated; 2000-05-01 to 2023-12-17; source msha-controller-operator-history
- **controller_controls_mine:** Robert C Macklin Trust  et al → Macklin Plant #5; 2023-12-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert C Macklin Trust  et al → Macklin Incorporated; 2023-12-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Maryann  Macklin et al → Macklin Incorporated; 2023-12-18 to current/open; source msha-controller-operator-history