# Relationship history for MSHA mine 1002271

Current hierarchy: **Bruce  Mitchell → BNE Investments, Inc. → Jim Sage 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

- **controller_controls_mine:** Bruce  Mitchell → Jim Sage Quarry; 2016-02-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** BNE Investments, Inc. → Jim Sage Quarry; 2016-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce  Mitchell → BNE Investments, Inc.; 2016-04-04 to current/open; source msha-controller-operator-history