# Relationship history for MSHA mine 3610290

Current hierarchy: **Larry G  Kebert → MEADVILLE REDI MIX CONCRETE → FINTEC 570**

- 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:** Larry G  Kebert → FINTEC 570; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** MEADVILLE REDI MIX CONCRETE → FINTEC 570; 2019-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry G  Kebert → MEADVILLE REDI MIX CONCRETE; 2019-05-23 to current/open; source msha-controller-operator-history