# Relationship history for MSHA mine 2902329

Current hierarchy: **Barr  McCutcheon; Jesse  Bartschi → Hatch Gravel Source → McCutcheon 1000**

- 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:** Hatch Gravel Source → McCutcheon 1000; 2006-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jesse  Bartschi et al → McCutcheon 1000; 2006-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jesse  Bartschi et al → Hatch Gravel Source; 2006-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Barr  McCutcheon et al → Hatch Gravel Source; 2006-11-28 to current/open; source msha-controller-operator-history