# Relationship history for MSHA mine 2601536

Current hierarchy: **Ingle Hugh C Jr & Sr → Hugh C Ingle Jr → Ashby Mabel & Garfield Mines Ingle Flota**

- 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

- **operator_operates_mine:** Hugh C Ingle Jr → Ashby Mabel & Garfield Mines Ingle Flota; 1979-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ingle Hugh C Jr & Sr → Ashby Mabel & Garfield Mines Ingle Flota; 1979-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ingle Hugh C Jr & Sr → Hugh C Ingle Jr; 1979-01-01 to current/open; source msha-controller-operator-history