# Relationship history for MSHA mine 4003454

Current hierarchy: **Jones Investment Holding, Inc. → Jones Brothers Inc. → Jones Brothers Mine**

- 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:** Jones Investment Holding, Inc. → Jones Brothers Mine; 2015-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jones Brothers Inc. → Jones Brothers Mine; 2016-04-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jones Investment Holding, Inc. → Jones Brothers Inc.; 2016-04-06 to current/open; source msha-controller-operator-history