# Relationship history for MSHA mine 3609755

Current hierarchy: **Christopher J Insinger → INSINGER INC. → INSINGER QUARRY**

- 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:** Insinger Inc. → INSINGER QUARRY; 2009-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John  Insinger → INSINGER QUARRY; 2009-05-15 to 2024-02-07; source msha-controller-operator-history
- **controller_controls_operator:** John  Insinger → Insinger Inc.; 2009-05-15 to 2024-02-07; source msha-controller-operator-history
- **controller_controls_mine:** Christopher J Insinger → INSINGER QUARRY; 2024-02-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher J Insinger → Insinger Inc.; 2024-02-08 to current/open; source msha-controller-operator-history