# Relationship history for MSHA mine 2301727

Current hierarchy: **Hamilton Warren G → Hamilton Hauling Inc → Hamilton Hauling Incorporated**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Wayne  Reeder → Hamilton Hauling Incorporated; 1978-08-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Callaway Mining Company → Hamilton Hauling Incorporated; 1978-10-01 to 1987-11-11; source msha-controller-operator-history
- **controller_controls_operator:** Wayne  Reeder → Callaway Mining Company; 1978-10-01 to 1987-11-11; source msha-controller-operator-history
- **operator_operates_mine:** Hamilton Hauling Inc → Hamilton Hauling Incorporated; 1987-11-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hamilton Warren G → Hamilton Hauling Incorporated; 1987-11-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hamilton Warren G → Hamilton Hauling Inc; 1987-11-12 to current/open; source msha-controller-operator-history