# Relationship history for MSHA mine 4105288

Current hierarchy: **Matthew S  Hinton → B&G Electric → B&G #2**

- 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:** Matthew S  Hinton → B&G #2; 2016-06-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B&G Electric → B&G #2; 2017-08-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matthew S  Hinton → B&G Electric; 2017-08-18 to current/open; source msha-controller-operator-history