# Relationship history for MSHA mine 1700813

Current hierarchy: **John M  Gendron → JIG Aggregates LLC → Longchamps-Auburn 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:** Longchamps & Sons, Inc. → Longchamps-Auburn Pit; 2007-03-05 to 2022-06-29; source msha-controller-operator-history
- **controller_controls_mine:** James M.  Longchamps et al → Longchamps-Auburn Pit; 2007-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James M.  Longchamps et al → Longchamps & Sons, Inc.; 2007-03-05 to 2022-06-29; source msha-controller-operator-history
- **controller_controls_operator:** Anthony R.  Longchamps et al → Longchamps & Sons, Inc.; 2007-03-05 to 2022-06-29; source msha-controller-operator-history
- **controller_controls_mine:** John M  Gendron → Longchamps-Auburn Pit; 2020-03-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** JIG Aggregates LLC → Longchamps-Auburn Pit; 2022-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John M  Gendron → JIG Aggregates LLC; 2022-06-30 to current/open; source msha-controller-operator-history