# Relationship history for MSHA mine 4703905

Current hierarchy: **Jack  Pease → Super Aggregates Inc → Bloomfield Pit**

- 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

- **controller_controls_mine:** Jack  Pease → Bloomfield Pit; 1988-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Super Aggregates Inc → Bloomfield Pit; 2021-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Pease → Super Aggregates Inc; 2021-07-21 to current/open; source msha-controller-operator-history