# Relationship history for MSHA mine 2700324

Current hierarchy: **Joseph A  Landry III → Joseph A Landry Iii → LANDRY 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Joseph A Landry Iii → LANDRY PIT; 1998-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joseph A  Landry III → LANDRY PIT; 1998-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph A  Landry III → Joseph A Landry Iii; 1998-03-01 to current/open; source msha-controller-operator-history