# Relationship history for MSHA mine 3102162

Current hierarchy: **Ron  Stewart; Michelle  Stewart → Esmeralda Exploration International Inc → ESMERALDA 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Esmeralda Exploration International Inc → ESMERALDA MINE; 2000-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ron  Stewart  et al → ESMERALDA MINE; 2000-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ron  Stewart  et al → Esmeralda Exploration International Inc; 2000-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michelle  Stewart  et al → Esmeralda Exploration International Inc; 2000-11-01 to current/open; source msha-controller-operator-history