# Relationship history for MSHA mine 1901231

Current hierarchy: **Garry  LeBlanc; Craig N.  Lussier → Double L Realty Inc. → Double L Realty Inc.**

- 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:** Double L Realty Inc. → Double L Realty Inc.; 2012-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Craig N.  Lussier → Double L Realty Inc.; 2012-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Craig N.  Lussier → Double L Realty Inc.; 2012-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Garry  LeBlanc → Double L Realty Inc.; 2012-05-01 to current/open; source msha-controller-operator-history