# Relationship history for MSHA mine 0302010

Current hierarchy: **Nader  Abou-Diab → Little Rock Quarry → Asphalt Products LLC dba Little Rock Qry**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Little Rock Quarry → Asphalt Products LLC dba Little Rock Qry; 2011-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael L  Lasiter et al → Asphalt Products LLC dba Little Rock Qry; 2011-05-23 to 2017-01-10; source msha-controller-operator-history
- **controller_controls_operator:** Michael L  Lasiter et al → Little Rock Quarry; 2011-05-23 to 2017-01-10; source msha-controller-operator-history
- **controller_controls_mine:** Nader  Abou-Diab → Asphalt Products LLC dba Little Rock Qry; 2017-01-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nader  Abou-Diab → Little Rock Quarry; 2017-01-11 to current/open; source msha-controller-operator-history
