# Relationship history for MSHA mine 2700337

Current hierarchy: **Latulippe Don R → Latulippe Excavating → LATULIPPE PORT. PLANT**

- 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:** Latulippe Excavating → LATULIPPE PORT. PLANT; 1999-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Latulippe Don R → LATULIPPE PORT. PLANT; 1999-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Latulippe Don R → Latulippe Excavating; 1999-04-01 to current/open; source msha-controller-operator-history