# Relationship history for MSHA mine 2200570

Current hierarchy: **Patricia  Holloway → Holloway Trucking Company Inc → Sanders 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

- **operator_operates_mine:** Holloway Trucking Company Inc → Sanders Pit; 1985-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Harold  Holloway → Sanders Pit; 1985-03-01 to 2014-01-25; source msha-controller-operator-history
- **controller_controls_operator:** Harold  Holloway → Holloway Trucking Company Inc; 1985-03-01 to 2014-01-25; source msha-controller-operator-history
- **controller_controls_mine:** Patricia  Holloway → Sanders Pit; 2014-01-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patricia  Holloway → Holloway Trucking Company Inc; 2014-01-26 to current/open; source msha-controller-operator-history