# Relationship history for MSHA mine 1519036

Current hierarchy: **Edward  Tincher → Whymore Coal Company Incorporated → Long Branch Road Job**

- 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:** Edward  Tincher → Long Branch Road Job; 1988-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Whymore Coal Company Incorporated → Long Branch Road Job; 2006-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edward  Tincher → Whymore Coal Company Incorporated; 2006-08-25 to current/open; source msha-controller-operator-history