# Relationship history for MSHA mine 4003363

Current hierarchy: **Jones Investment Holding, Inc. → Jones Bros LLC → Hamilton Hill 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

- **operator_operates_mine:** Jones Bros LLC → Hamilton Hill Mine; 2009-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jones Investment Holding, Inc. → Hamilton Hill Mine; 2009-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jones Investment Holding, Inc. → Jones Bros LLC; 2009-10-06 to current/open; source msha-controller-operator-history