# Relationship history for MSHA mine 4609408

Current hierarchy: **Joseph A  Laurita → SCJL Co-Leasing Corp. Inc. → Laurita Surface 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

- **controller_controls_mine:** Joseph A  Laurita → Laurita Surface Mine; 1988-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** SCJL Co-Leasing Corp. Inc. → Laurita Surface Mine; 2011-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph A  Laurita → SCJL Co-Leasing Corp. Inc.; 2011-03-25 to current/open; source msha-controller-operator-history