# Relationship history for MSHA mine 4202585

Current hierarchy: **David  Kimmerle; Kyle  Kimmerle → Kimmerle Mining LLC → Green River #9**

- 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:** Kimmerle Mining LLC → Green River #9; 2012-04-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kyle  Kimmerle et al → Green River #9; 2012-04-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kyle  Kimmerle et al → Kimmerle Mining LLC; 2012-04-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Kimmerle et al → Kimmerle Mining LLC; 2012-04-10 to current/open; source msha-controller-operator-history