# Relationship history for MSHA mine 5002035

Current hierarchy: **Vitaly  Kudryn; Dmitry  Kudryn → Precision Exploration → Purches Valley**

- 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:** Precision Exploration → Purches Valley; 2016-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Vitaly  Kudryn et al → Purches Valley; 2016-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vitaly  Kudryn et al → Precision Exploration; 2016-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dmitry  Kudryn et al → Precision Exploration; 2016-03-01 to current/open; source msha-controller-operator-history