# Relationship history for MSHA mine 2402480

Current hierarchy: **Jeff T  Baker; Bill  Hollow → Asphalt LLC → Asphalt LLC**

- 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:** Asphalt LLC → Asphalt LLC; 2007-06-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bill  Hollow  et al → Asphalt LLC; 2007-06-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bill  Hollow  et al → Asphalt LLC; 2007-06-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff T  Baker  et al → Asphalt LLC; 2007-06-20 to current/open; source msha-controller-operator-history