# Relationship history for MSHA mine 1700889

Current hierarchy: **John M  Gendron → JIG Aggregates LLC → St Laurent 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:** St Laurent & Son Inc → St Laurent Pit; 2012-01-19 to 2024-08-13; source msha-controller-operator-history
- **controller_controls_mine:** Gary R  St Laurent → St Laurent Pit; 2012-01-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary R  St Laurent → St Laurent & Son Inc; 2012-01-19 to 2024-08-13; source msha-controller-operator-history
- **controller_controls_mine:** John M  Gendron → St Laurent Pit; 2020-03-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** JIG Aggregates LLC → St Laurent Pit; 2024-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John M  Gendron → JIG Aggregates LLC; 2024-08-14 to current/open; source msha-controller-operator-history