# Relationship history for MSHA mine 0203306

Current hierarchy: **Hubert C  Dayzie; Bruce N  Nicholson → Tsehootso Enterprises Inc → Kaibeto Resources Crusher #1**

- 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:** Tsehootso Enterprises Inc → Kaibeto Resources Crusher #1; 2012-10-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hubert C  Dayzie et al → Kaibeto Resources Crusher #1; 2012-10-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hubert C  Dayzie et al → Tsehootso Enterprises Inc; 2012-10-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce N  Nicholson et al → Tsehootso Enterprises Inc; 2012-10-29 to current/open; source msha-controller-operator-history