# Relationship history for MSHA mine 1901024

Current hierarchy: **Jacques Pierre St → Jacques Construction Inc → Jacques Construction Incorporated**

- 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:** Jacques Construction Inc → Jacques Construction Incorporated; 1990-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jacques Pierre St → Jacques Construction Incorporated; 1990-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jacques Pierre St → Jacques Construction Inc; 1990-04-01 to current/open; source msha-controller-operator-history