# Relationship history for MSHA mine 4801712

Current hierarchy: **Matt R  Garland; Gary  Garland → Garland Brothers LLC → Garland Brothers**

- 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:** Garland Brothers LLC → Garland Brothers; 2007-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Matt R  Garland  et al → Garland Brothers; 2007-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matt R  Garland  et al → Garland Brothers LLC; 2007-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Garland  et al → Garland Brothers LLC; 2007-06-15 to current/open; source msha-controller-operator-history