# Relationship history for MSHA mine 2601634

Current hierarchy: **Ingle Hugh C Jr & Sr → Hugh C Ingle Jr → Aden Mill**

- 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

- **controller_controls_mine:** Ingle Hugh C Jr & Sr → Aden Mill; 1979-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Nevada Barite & Mineral Corp → Aden Mill; 1980-04-01 to 1981-08-05; source msha-controller-operator-history
- **controller_controls_mine:** Schofield Bob L → Aden Mill; 1980-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Schofield Bob L → Nevada Barite & Mineral Corp; 1980-04-01 to 1981-08-05; source msha-controller-operator-history
- **operator_operates_mine:** M-J Enterprises Inc → Aden Mill; 1981-08-06 to 1982-08-09; source msha-controller-operator-history
- **controller_controls_mine:** Nevada Resources & Development Corp → Aden Mill; 1981-08-06 to 1982-08-09; source msha-controller-operator-history
- **controller_controls_operator:** Nevada Resources & Development Corp → M-J Enterprises Inc; 1981-08-06 to 1982-08-09; source msha-controller-operator-history
- **operator_operates_mine:** Hugh C Ingle Jr → Aden Mill; 1982-08-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ingle Hugh C Jr & Sr → Hugh C Ingle Jr; 1982-08-10 to current/open; source msha-controller-operator-history