# Relationship history for MSHA mine 4606607

Current hierarchy: **Jasper  Petitte; John  Petitte Jr → Dean Fuels Inc → Dean No 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:** Dean Fuels Inc → Dean No 1; 1982-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jasper  Petitte et al → Dean No 1; 1982-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jasper  Petitte et al → Dean Fuels Inc; 1982-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Petitte Jr et al → Dean Fuels Inc; 1982-11-01 to current/open; source msha-controller-operator-history