# Relationship history for MSHA mine 2402696

Current hierarchy: **Keith  Barron → Potentate Mining LLC → Gem Mountain**

- 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:** Keith  Barron → Gem Mountain; 2016-04-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Potentate Mining LLC → Gem Mountain; 2016-06-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Keith  Barron → Potentate Mining LLC; 2016-06-14 to current/open; source msha-controller-operator-history