# Relationship history for MSHA mine 3503774

Current hierarchy: **Curtis  Bunch → FLANAGAN & EMERSON MINING ASSOCIATION, LLC → FLANAGAN & EMERSON 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:** FLANAGAN & EMERSON MINING ASSOCIATION, LLC → FLANAGAN & EMERSON MINE; 2012-08-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Curtis  Bunch et al → FLANAGAN & EMERSON MINE; 2012-08-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Curtis  Bunch et al → FLANAGAN & EMERSON MINING ASSOCIATION, LLC; 2012-08-06 to current/open; source msha-controller-operator-history