# Relationship history for MSHA mine 4606298

Current hierarchy: **Glenn C  Larew → Coaltrain Corp → #1 Strip**

- 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:** Glenn C  Larew → #1 Strip; 1977-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coaltrain Corp → #1 Strip; 1981-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Glenn C  Larew → Coaltrain Corp; 1981-02-01 to current/open; source msha-controller-operator-history