# Relationship history for MSHA mine 0800735

Current hierarchy: **Cochran James A → La Belle Limerock Company → La Belle Limerock 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

- **operator_operates_mine:** La Belle Limerock Company → La Belle Limerock Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cochran James A → La Belle Limerock Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cochran James A → La Belle Limerock Company; 1950-01-01 to current/open; source msha-controller-operator-history