# Relationship history for MSHA mine 4703899

Current hierarchy: **James E  Churchill → JAW Sand and Gravel LLC → JAW Sand and Gravel LLC (bradford 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: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** JAW Sand and Gravel LLC → JAW Sand and Gravel LLC (bradford pit); 2021-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James E  Churchill → JAW Sand and Gravel LLC (bradford pit); 2021-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James E  Churchill → JAW Sand and Gravel LLC; 2021-06-02 to current/open; source msha-controller-operator-history