# Relationship history for MSHA mine 1516240

Current hierarchy: **Larry  Daniel; Jimmy  Daniel → Leinad Equipment Inc → Leinad #1**

- 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:** Young Mining Inc → Leinad #1; 1987-11-01 to 1988-12-19; source msha-controller-operator-history
- **controller_controls_mine:** Young Robert C → Leinad #1; 1987-11-01 to 1988-12-19; source msha-controller-operator-history
- **controller_controls_operator:** Young Robert C → Young Mining Inc; 1987-11-01 to 1988-12-19; source msha-controller-operator-history
- **operator_operates_mine:** A & W Mining Company Inc → Leinad #1; 1988-12-20 to 1989-09-12; source msha-controller-operator-history
- **controller_controls_mine:** Young Anthony → Leinad #1; 1988-12-20 to 1989-09-12; source msha-controller-operator-history
- **controller_controls_operator:** Young Anthony → A & W Mining Company Inc; 1988-12-20 to 1989-09-12; source msha-controller-operator-history
- **controller_controls_mine:** Jimmy  Daniel et al → Leinad #1; 1989-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Leinad Equipment Inc → Leinad #1; 1989-09-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jimmy  Daniel et al → Leinad Equipment Inc; 1989-09-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Daniel et al → Leinad Equipment Inc; 1989-09-13 to current/open; source msha-controller-operator-history
