# Relationship history for MSHA mine 0102552

Current hierarchy: **Raines Charles H → Kinlock Coals Inc → Pit 8-2 Riverside**

- 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:** Raines Charles H → Pit 8-2 Riverside; 1977-09-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kinlock Coals Inc → Pit 8-2 Riverside; 1983-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Raines Charles H → Kinlock Coals Inc; 1983-07-01 to current/open; source msha-controller-operator-history