# Relationship history for MSHA mine 4703795

Current hierarchy: **Daniel  Jannette; David  Jannette → Jannette Trucking & Excavating, Inc. → J50 JAW CRUSHER**

- 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:** Jannette Trucking & Excavating, Inc. → J50 JAW CRUSHER; 2017-03-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David  Jannette et al → J50 JAW CRUSHER; 2017-03-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Jannette et al → Jannette Trucking & Excavating, Inc.; 2017-03-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Jannette et al → Jannette Trucking & Excavating, Inc.; 2017-03-08 to current/open; source msha-controller-operator-history