# Relationship history for MSHA mine 0404146

Current hierarchy: **Peter  Shea Jr → Aggregate Products → Aggregate Products**

- 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:** Aggregate Products Co-Div/Jaxon Enterprises → Aggregate Products; 1950-01-01 to 1984-12-18; source msha-controller-operator-history
- **controller_controls_mine:** W (Wallace) Jaxon  Baker → Aggregate Products; 1950-01-01 to 1984-12-18; source msha-controller-operator-history
- **controller_controls_operator:** W (Wallace) Jaxon  Baker → Aggregate Products Co-Div/Jaxon Enterprises; 1950-01-01 to 1984-12-18; source msha-controller-operator-history
- **operator_operates_mine:** Aggregate Products → Aggregate Products; 1984-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John F  Shea → Aggregate Products; 1984-12-19 to 2024-10-21; source msha-controller-operator-history
- **controller_controls_operator:** John F  Shea → Aggregate Products; 1984-12-19 to 2024-10-21; source msha-controller-operator-history
- **controller_controls_mine:** Peter  Shea Jr → Aggregate Products; 2024-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peter  Shea Jr → Aggregate Products; 2024-10-22 to current/open; source msha-controller-operator-history