# Relationship history for MSHA mine 0405578

Current hierarchy: **Curtis  Lovett → Outback Inc. → Raymond Quarry**

- 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:** Raymond Aggregate Products → Raymond Quarry; 2003-11-05 to 2010-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Kris  Koontz → Raymond Quarry; 2003-11-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kris  Koontz → Raymond Aggregate Products; 2003-11-05 to 2010-02-28; source msha-controller-operator-history
- **operator_operates_mine:** Outback Inc. → Raymond Quarry; 2010-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Curtis  Lovett → Raymond Quarry; 2010-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Curtis  Lovett → Outback Inc.; 2010-03-01 to current/open; source msha-controller-operator-history