# Relationship history for MSHA mine 2104111

Current hierarchy: **Roger  Kraabel; Shawntel  Kraabel → Kraabel Logging LLC → Kraabel**

- 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:** Kraabel Logging LLC → Kraabel; 2025-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Roger  Kraabel et al → Kraabel; 2025-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger  Kraabel et al → Kraabel Logging LLC; 2025-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shawntel  Kraabel et al → Kraabel Logging LLC; 2025-09-19 to current/open; source msha-controller-operator-history