# Relationship history for MSHA mine 0404813

Current hierarchy: **Soojian Tanny → Gentry Gulch Mining Inc → Hasloe**

- 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:** Manzanita Minerals International → Hasloe; 1986-06-01 to 1989-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Newman John E & Tanny Soojian → Hasloe; 1986-06-01 to 1989-02-28; source msha-controller-operator-history
- **controller_controls_operator:** Newman John E & Tanny Soojian → Manzanita Minerals International; 1986-06-01 to 1989-02-28; source msha-controller-operator-history
- **operator_operates_mine:** Gentry Gulch Mining Inc → Hasloe; 1989-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Soojian Tanny → Hasloe; 1989-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Soojian Tanny → Gentry Gulch Mining Inc; 1989-03-01 to current/open; source msha-controller-operator-history