# Relationship history for MSHA mine 2402702

Current hierarchy: **Brandon  Millican → Malta Ready Mix → MRM crusher**

- 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:** John P  Jones → MRM crusher; 2000-09-15 to 2013-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Brandon  Millican et al → MRM crusher; 2013-03-01 to 2015-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Brandon  Millican → MRM crusher; 2015-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Malta Ready Mix → MRM crusher; 2016-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brandon  Millican et al → Malta Ready Mix; 2016-08-24 to 2015-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Rockland  Tollefson et al → Malta Ready Mix; 2016-08-24 to 2015-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Brandon  Millican → Malta Ready Mix; 2016-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John P  Jones → Malta Ready Mix; 2016-08-24 to 2013-02-28; source msha-controller-operator-history