# Relationship history for MSHA mine 4202062

Current hierarchy: **Richard E  Morgan Sr; Richard E  Morgan Jr → Allroc Products LLC → ALLROC PIT-A**

- 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:** Allroc Products Llc → ALLROC PIT-A; 1990-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Richard E  Morgan Jr  et al → ALLROC PIT-A; 1990-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard E  Morgan Jr  et al → Allroc Products Llc; 1990-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard E  Morgan Sr  et al → Allroc Products Llc; 1990-08-01 to current/open; source msha-controller-operator-history