# Relationship history for MSHA mine 4103147

Current hierarchy: **Linda C  Leal; Jose H  Leal → J L Equipment Leasing Inc → J L Equipment Leasing Incorporated**

- 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:** B G Cornelius Construction Company → J L Equipment Leasing Incorporated; 1983-01-01 to 1998-09-17; source msha-controller-operator-history
- **controller_controls_mine:** Lawrence  Cornelius → J L Equipment Leasing Incorporated; 1983-01-01 to 1998-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Lawrence  Cornelius → B G Cornelius Construction Company; 1983-01-01 to 1998-09-17; source msha-controller-operator-history
- **operator_operates_mine:** J L Equipment Leasing Inc → J L Equipment Leasing Incorporated; 1998-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jose H  Leal et al → J L Equipment Leasing Incorporated; 1998-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jose H  Leal et al → J L Equipment Leasing Inc; 1998-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Linda C  Leal et al → J L Equipment Leasing Inc; 1998-09-18 to current/open; source msha-controller-operator-history