# Relationship history for MSHA mine 1302291

Current hierarchy: **Doug  Bailey → Eagle Limestone Quarries, Inc. → Jones Quarry**

- 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:** Eagle Limestone Quarries, Inc. → Jones Quarry; 2005-01-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Doug  Bailey → Jones Quarry; 2005-01-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Doug  Bailey → Eagle Limestone Quarries, Inc.; 2005-01-25 to current/open; source msha-controller-operator-history
