# Relationship history for MSHA mine 4104743

Current hierarchy: **Jessie  Garrett; Brad  Knutson; Breven  Knutson → Advantage Asphalt Products Ltd → Oliver Pit**

- 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 E  Braudt  et al → Oliver Pit; 2003-03-07 to 2025-03-27; source msha-controller-operator-history
- **operator_operates_mine:** Advantage Asphalt Products Ltd → Oliver Pit; 2008-07-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Glenn E  Braudt  et al → Advantage Asphalt Products Ltd; 2008-07-28 to 2025-03-27; source msha-controller-operator-history
- **controller_controls_operator:** Larry S  Knutson  et al → Advantage Asphalt Products Ltd; 2008-07-28 to 2025-03-27; source msha-controller-operator-history
- **controller_controls_mine:** Jessie  Garrett et al → Oliver Pit; 2025-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jessie  Garrett et al → Advantage Asphalt Products Ltd; 2025-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Breven  Knutson et al → Advantage Asphalt Products Ltd; 2025-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brad  Knutson et al → Advantage Asphalt Products Ltd; 2025-03-28 to current/open; source msha-controller-operator-history