# Relationship history for MSHA mine 3610159

Current hierarchy: **James M  DeLullo → J M DeLullo Stone Sales Inc → Laura Mine**

- 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:** J M DeLullo Stone Sales Inc → Laura Mine; 2015-11-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James M  DeLullo → Laura Mine; 2015-11-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James M  DeLullo → J M DeLullo Stone Sales Inc; 2015-11-18 to current/open; source msha-controller-operator-history